255664125133 has 32 divisors (see below), whose sum is σ = 268350382080. Its totient is φ = 243301656000.

The previous prime is 255664125049. The next prime is 255664125169. The reversal of 255664125133 is 331521466552.

It is a cyclic number.

It is not a de Polignac number, because 255664125133 - 2³⁷ = 118225171661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255664125133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255664125733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247976328 + ... + 247977358.

It is an arithmetic number, because the mean of its divisors is an integer number (8385949440).

Almost surely, 2^255664125133 is an apocalyptic number.

It is an amenable number.

255664125133 is a deficient number, since it is larger than the sum of its proper divisors (12686256947).

255664125133 is a wasteful number, since it uses less digits than its factorization.

255664125133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its digits is 648000, while the sum is 43.

The spelling of 255664125133 in words is "two hundred fifty-five billion, six hundred sixty-four million, one hundred twenty-five thousand, one hundred thirty-three".