11357572565 has 16 divisors (see below), whose sum is σ = 13969622016. Its totient is φ = 8859292800.

The previous prime is 11357572507. The next prime is 11357572591. The reversal of 11357572565 is 56527575311.

It is not a de Polignac number, because 11357572565 - 2¹⁴ = 11357556181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358520 + ... + 388910.

It is an arithmetic number, because the mean of its divisors is an integer number (873101376).

Almost surely, 2^11357572565 is an apocalyptic number.

It is an amenable number.

11357572565 is a deficient number, since it is larger than the sum of its proper divisors (2612049451).

11357572565 is a wasteful number, since it uses less digits than its factorization.

11357572565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32260.

The product of its digits is 1102500, while the sum is 47.

The spelling of 11357572565 in words is "eleven billion, three hundred fifty-seven million, five hundred seventy-two thousand, five hundred sixty-five".