1113044591232 has 384 divisors, whose sum is σ = 3750617520000. Its totient is φ = 310248087552.

The previous prime is 1113044591221. The next prime is 1113044591237. The reversal of 1113044591232 is 2321954403111.

1113044591232 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 0 + 44 + 591 + 23 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1113044591237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76495894 + ... + 76510442.

It is an arithmetic number, because the mean of its divisors is an integer number (9767233125).

Almost surely, 2^{1113044591232} is an apocalyptic number.

1113044591232 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 1113044591232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1875308760000).

1113044591232 is an abundant number, since it is smaller than the sum of its proper divisors (2637572928768).

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

1113044591232 is a wasteful number, since it uses less digits than its factorization.

1113044591232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14808 (or 14793 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 1113044591232 its reverse (2321954403111), we get a palindrome (3434998994343).

The spelling of 1113044591232 in words is "one trillion, one hundred thirteen billion, forty-four million, five hundred ninety-one thousand, two hundred thirty-two".