265153655 has 16 divisors (see below), whose sum is σ = 351924384. Its totient is φ = 190512000.

The previous prime is 265153643. The next prime is 265153661. The reversal of 265153655 is 556351562.

It is not a de Polignac number, because 265153655 - 2¹⁰ = 265152631 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, 52721 + ... + 57530.

It is an arithmetic number, because the mean of its divisors is an integer number (21995274).

Almost surely, 2^265153655 is an apocalyptic number.

265153655 is a deficient number, since it is larger than the sum of its proper divisors (86770729).

265153655 is a wasteful number, since it uses less digits than its factorization.

265153655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110306.

The product of its digits is 135000, while the sum is 38.

The square root of 265153655 is about 16283.5393879832. The cubic root of 265153655 is about 642.4399495724.

The spelling of 265153655 in words is "two hundred sixty-five million, one hundred fifty-three thousand, six hundred fifty-five".