265500660252 has 12 divisors (see below), whose sum is σ = 619501540616. Its totient is φ = 88500220080.

The previous prime is 265500660233. The next prime is 265500660253. The reversal of 265500660252 is 252066005562.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 265500660252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265500660253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11062527499 + ... + 11062527522.

Almost surely, 2^265500660252 is an apocalyptic number.

It is an amenable number.

265500660252 is an abundant number, since it is smaller than the sum of its proper divisors (354000880364).

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

265500660252 is a wasteful number, since it uses less digits than its factorization.

265500660252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22125055028 (or 22125055026 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 265500660252 in words is "two hundred sixty-five billion, five hundred million, six hundred sixty thousand, two hundred fifty-two".