1113542311 has 4 divisors (see below), whose sum is σ = 1272619792. Its totient is φ = 954464832.

The previous prime is 1113542299. The next prime is 1113542323. The reversal of 1113542311 is 1132453111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1132453111 = 4751 ⋅238361.

It is an interprime number because it is at equal distance from previous prime (1113542299) and next prime (1113542323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113542311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113542011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79538730 + ... + 79538743.

It is an arithmetic number, because the mean of its divisors is an integer number (318154948).

Almost surely, 2^1113542311 is an apocalyptic number.

1113542311 is a deficient number, since it is larger than the sum of its proper divisors (159077481).

1113542311 is an equidigital number, since it uses as much as digits as its factorization.

1113542311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159077480.

The product of its digits is 360, while the sum is 22.

The square root of 1113542311 is about 33369.7814047380. The cubic root of 1113542311 is about 1036.4990486718.

Adding to 1113542311 its reverse (1132453111), we get a palindrome (2245995422).

The spelling of 1113542311 in words is "one billion, one hundred thirteen million, five hundred forty-two thousand, three hundred eleven".