2565575016012 has 72 divisors (see below), whose sum is σ = 6547452912000. Its totient is φ = 846989561088.

The previous prime is 2565575015999. The next prime is 2565575016013. The reversal of 2565575016012 is 2106105755652.

2565575016012 is a `hidden beast` number, since 2 + 5 + 6 + 5 + 575 + 0 + 1 + 60 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (2565575016013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9277408 + ... + 9549944.

It is an arithmetic number, because the mean of its divisors is an integer number (90936846000).

Almost surely, 2^{2565575016012} is an apocalyptic number.

It is an amenable number.

2565575016012 is an abundant number, since it is smaller than the sum of its proper divisors (3981877895988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565575016012 is a wasteful number, since it uses less digits than its factorization.

2565575016012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275055 (or 275050 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 2565575016012 in words is "two trillion, five hundred sixty-five billion, five hundred seventy-five million, sixteen thousand, twelve".