265711377255 has 16 divisors (see below), whose sum is σ = 450146333664. Its totient is φ = 133376691200.

The previous prime is 265711377247. The next prime is 265711377299. The reversal of 265711377255 is 552773117562.

It is not a de Polignac number, because 265711377255 - 2³ = 265711377247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 265711377198 and 265711377207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521002446 + ... + 521002955.

It is an arithmetic number, because the mean of its divisors is an integer number (28134145854).

Almost surely, 2^265711377255 is an apocalyptic number.

265711377255 is a deficient number, since it is larger than the sum of its proper divisors (184434956409).

265711377255 is a wasteful number, since it uses less digits than its factorization.

265711377255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042005426.

The product of its digits is 3087000, while the sum is 51.

The spelling of 265711377255 in words is "two hundred sixty-five billion, seven hundred eleven million, three hundred seventy-seven thousand, two hundred fifty-five".