265153306543264 has 48 divisors (see below), whose sum is σ = 531873739468008. Its totient is φ = 130074296614912.

The previous prime is 265153306543243. The next prime is 265153306543277. The reversal of 265153306543264 is 462345603351562.

It can be written as a sum of positive squares in 4 ways, for example, as 245482839723664 + 19670466819600 = 15667892^2 + 4435140^2 .

It is a super-2 number, since 2×265153306543264² (a number of 30 digits) contains 22 as substring.

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, 286122384 + ... + 287047600.

Almost surely, 2^{265153306543264} is an apocalyptic number.

It is an amenable number.

265153306543264 is an abundant number, since it is smaller than the sum of its proper divisors (266720432924744).

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

265153306543264 is a wasteful number, since it uses less digits than its factorization.

265153306543264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094257 (or 1094249 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 55.

The spelling of 265153306543264 in words is "two hundred sixty-five trillion, one hundred fifty-three billion, three hundred six million, five hundred forty-three thousand, two hundred sixty-four".