113013556565 has 32 divisors (see below), whose sum is σ = 167273143296. Its totient is φ = 71379221760.

The previous prime is 113013556561. The next prime is 113013556577. The reversal of 113013556565 is 565655310311.

It is a happy number.

It is not a de Polignac number, because 113013556565 - 2² = 113013556561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113013556561) by changing a digit.

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, 57566 + ... + 478895.

It is an arithmetic number, because the mean of its divisors is an integer number (5227285728).

Almost surely, 2^113013556565 is an apocalyptic number.

It is an amenable number.

113013556565 is a deficient number, since it is larger than the sum of its proper divisors (54259586731).

113013556565 is a wasteful number, since it uses less digits than its factorization.

113013556565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536949.

The product of its (nonzero) digits is 202500, while the sum is 41.

Adding to 113013556565 its reverse (565655310311), we get a palindrome (678668866876).

The spelling of 113013556565 in words is "one hundred thirteen billion, thirteen million, five hundred fifty-six thousand, five hundred sixty-five".