265117055 has 16 divisors (see below), whose sum is σ = 365827584. Its totient is φ = 180675360.

The previous prime is 265117049. The next prime is 265117087. The reversal of 265117055 is 550711562.

It is not a de Polignac number, because 265117055 - 2¹² = 265112959 is a prime.

It is a Duffinian number.

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, 17531 + ... + 28940.

It is an arithmetic number, because the mean of its divisors is an integer number (22864224).

Almost surely, 2^265117055 is an apocalyptic number.

265117055 is a deficient number, since it is larger than the sum of its proper divisors (100710529).

265117055 is a wasteful number, since it uses less digits than its factorization.

265117055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46646.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 265117055 is about 16282.4155149044. The cubic root of 265117055 is about 642.4103888710.

The spelling of 265117055 in words is "two hundred sixty-five million, one hundred seventeen thousand, fifty-five".