113257012605 has 64 divisors (see below), whose sum is σ = 198823534848. Its totient is φ = 54597058560.

The previous prime is 113257012513. The next prime is 113257012607. The reversal of 113257012605 is 506210752311.

It is not a de Polignac number, because 113257012605 - 2¹² = 113257008509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113257012607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25992087 + ... + 25996443.

It is an arithmetic number, because the mean of its divisors is an integer number (3106617732).

Almost surely, 2^113257012605 is an apocalyptic number.

113257012605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113257012605 is a deficient number, since it is larger than the sum of its proper divisors (85566522243).

113257012605 is a wasteful number, since it uses less digits than its factorization.

113257012605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5246.

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 113257012605 its reverse (506210752311), we get a palindrome (619467764916).

The spelling of 113257012605 in words is "one hundred thirteen billion, two hundred fifty-seven million, twelve thousand, six hundred five".