113926545561 has 4 divisors (see below), whose sum is σ = 151902060752. Its totient is φ = 75951030372.

The previous prime is 113926545529. The next prime is 113926545569. The reversal of 113926545561 is 165545629311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113926545561 - 2⁵ = 113926545529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113926545561.

It is not an unprimeable number, because it can be changed into a prime (113926545569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18987757591 + ... + 18987757596.

It is an arithmetic number, because the mean of its divisors is an integer number (37975515188).

Almost surely, 2^113926545561 is an apocalyptic number.

It is an amenable number.

113926545561 is a deficient number, since it is larger than the sum of its proper divisors (37975515191).

113926545561 is an equidigital number, since it uses as much as digits as its factorization.

113926545561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37975515190.

The product of its digits is 972000, while the sum is 48.

The spelling of 113926545561 in words is "one hundred thirteen billion, nine hundred twenty-six million, five hundred forty-five thousand, five hundred sixty-one".