113265161502565 has 8 divisors (see below), whose sum is σ = 135921428739360. Its totient is φ = 90609972577872.

The previous prime is 113265161502553. The next prime is 113265161502607. The reversal of 113265161502565 is 565205161562311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113265161502565 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269346919 + ... + 269767108.

It is an arithmetic number, because the mean of its divisors is an integer number (16990178592420).

Almost surely, 2^{113265161502565} is an apocalyptic number.

It is an amenable number.

113265161502565 is a deficient number, since it is larger than the sum of its proper divisors (22656267236795).

113265161502565 is an equidigital number, since it uses as much as digits as its factorization.

113265161502565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539156051.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 113265161502565 in words is "one hundred thirteen trillion, two hundred sixty-five billion, one hundred sixty-one million, five hundred two thousand, five hundred sixty-five".