22755537231265 has 16 divisors (see below), whose sum is σ = 27438286037328. Its totient is φ = 18116857414656.

The previous prime is 22755537231257. The next prime is 22755537231269. The reversal of 22755537231265 is 56213273555722.

It can be written as a sum of positive squares in 8 ways, for example, as 10879132512609 + 11876404718656 = 3298353^2 + 3446216^2 .

It is a cyclic number.

It is not a de Polignac number, because 22755537231265 - 2³ = 22755537231257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22755537231269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10817442 + ... + 12748651.

It is an arithmetic number, because the mean of its divisors is an integer number (1714892877333).

Almost surely, 2^{22755537231265} is an apocalyptic number.

It is an amenable number.

22755537231265 is a deficient number, since it is larger than the sum of its proper divisors (4682748806063).

22755537231265 is a wasteful number, since it uses less digits than its factorization.

22755537231265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23567028.

The product of its digits is 26460000, while the sum is 55.

The spelling of 22755537231265 in words is "twenty-two trillion, seven hundred fifty-five billion, five hundred thirty-seven million, two hundred thirty-one thousand, two hundred sixty-five".