255485621158 has 16 divisors (see below), whose sum is σ = 384424720416. Its totient is φ = 127344349440.

The previous prime is 255485621081. The next prime is 255485621191. The reversal of 255485621158 is 851126584552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649910 + ... + 1798102.

It is an arithmetic number, because the mean of its divisors is an integer number (24026545026).

Almost surely, 2^255485621158 is an apocalyptic number.

255485621158 is a deficient number, since it is larger than the sum of its proper divisors (128939099258).

255485621158 is a wasteful number, since it uses less digits than its factorization.

255485621158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150879.

The product of its digits is 3840000, while the sum is 52.

The spelling of 255485621158 in words is "two hundred fifty-five billion, four hundred eighty-five million, six hundred twenty-one thousand, one hundred fifty-eight".