1113345432 has 128 divisors (see below), whose sum is σ = 3304800000. Its totient is φ = 346249728.

The previous prime is 1113345407. The next prime is 1113345469. The reversal of 1113345432 is 2345433111.

It is a happy number.

1113345432 is a `hidden beast` number, since 1 + 113 + 3 + 4 + 543 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1113345396 and 1113345405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272944 + ... + 276992.

It is an arithmetic number, because the mean of its divisors is an integer number (25818750).

Almost surely, 2^1113345432 is an apocalyptic number.

1113345432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113345432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652400000).

1113345432 is an abundant number, since it is smaller than the sum of its proper divisors (2191454568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113345432 is a wasteful number, since it uses less digits than its factorization.

1113345432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4140 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1113345432 is about 33366.8313149451. The cubic root of 1113345432 is about 1036.4379592631.

Adding to 1113345432 its reverse (2345433111), we get a palindrome (3458778543).

It can be divided in two parts, 11133 and 45432, that added together give a palindrome (56565).

The spelling of 1113345432 in words is "one billion, one hundred thirteen million, three hundred forty-five thousand, four hundred thirty-two".