255533514555 has 128 divisors (see below), whose sum is σ = 472903142400. Its totient is φ = 116526643200.

The previous prime is 255533514547. The next prime is 255533514563. The reversal of 255533514555 is 555415335552.

It is an interprime number because it is at equal distance from previous prime (255533514547) and next prime (255533514563).

It is not a de Polignac number, because 255533514555 - 2³ = 255533514547 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 386585925 + ... + 386586585.

It is an arithmetic number, because the mean of its divisors is an integer number (3694555800).

Almost surely, 2^255533514555 is an apocalyptic number.

255533514555 is a deficient number, since it is larger than the sum of its proper divisors (217369627845).

255533514555 is a wasteful number, since it uses less digits than its factorization.

255533514555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 5625000, while the sum is 48.

The spelling of 255533514555 in words is "two hundred fifty-five billion, five hundred thirty-three million, five hundred fourteen thousand, five hundred fifty-five".