255265511 has 16 divisors (see below), whose sum is σ = 271564800. Its totient is φ = 239567328.

The previous prime is 255265429. The next prime is 255265529. The reversal of 255265511 is 115562552.

It is a cyclic number.

It is not a de Polignac number, because 255265511 - 2²² = 251071207 is a prime.

It is a super-2 number, since 2×255265511² = 130320962212182242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255265561) 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 15 ways as a sum of consecutive naturals, for example, 152666 + ... + 154328.

It is an arithmetic number, because the mean of its divisors is an integer number (16972800).

Almost surely, 2^255265511 is an apocalyptic number.

255265511 is a deficient number, since it is larger than the sum of its proper divisors (16299289).

255265511 is a wasteful number, since it uses less digits than its factorization.

255265511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 15000, while the sum is 32.

The square root of 255265511 is about 15977.0307316472. The cubic root of 255265511 is about 634.3525846173.

The spelling of 255265511 in words is "two hundred fifty-five million, two hundred sixty-five thousand, five hundred eleven".