265122651256 has 16 divisors (see below), whose sum is σ = 497179722600. Its totient is φ = 132541391904.

The previous prime is 265122651251. The next prime is 265122651263. The reversal of 265122651256 is 652156221562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265122651251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2435115 + ... + 2541658.

Almost surely, 2^265122651256 is an apocalyptic number.

It is an amenable number.

265122651256 is a deficient number, since it is larger than the sum of its proper divisors (232057071344).

265122651256 is a wasteful number, since it uses less digits than its factorization.

265122651256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983438 (or 4983434 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The spelling of 265122651256 in words is "two hundred sixty-five billion, one hundred twenty-two million, six hundred fifty-one thousand, two hundred fifty-six".