265664056463512 has 32 divisors (see below), whose sum is σ = 570449074072320. Its totient is φ = 113622233582880.

The previous prime is 265664056463497. The next prime is 265664056463521. The reversal of 265664056463512 is 215364650466562.

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, 4870610314 + ... + 4870664857.

It is an arithmetic number, because the mean of its divisors is an integer number (17826533564760).

Almost surely, 2^{265664056463512} is an apocalyptic number.

It is an amenable number.

265664056463512 is an abundant number, since it is smaller than the sum of its proper divisors (304785017608808).

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

265664056463512 is a wasteful number, since it uses less digits than its factorization.

265664056463512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741275671 (or 9741275667 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 61.

The spelling of 265664056463512 in words is "two hundred sixty-five trillion, six hundred sixty-four billion, fifty-six million, four hundred sixty-three thousand, five hundred twelve".