255531054123 has 12 divisors (see below), whose sum is σ = 369145744968. Its totient is φ = 170333112960.

The previous prime is 255531054091. The next prime is 255531054139. The reversal of 255531054123 is 321450135552.

255531054123 is a `hidden beast` number, since 2 + 55 + 53 + 10 + 541 + 2 + 3 = 666.

It is not a de Polignac number, because 255531054123 - 2⁵ = 255531054091 is a prime.

It is a super-2 number, since 2×255531054123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255531054173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666065 + ... + 1812962.

It is an arithmetic number, because the mean of its divisors is an integer number (30762145414).

Almost surely, 2^255531054123 is an apocalyptic number.

255531054123 is a deficient number, since it is larger than the sum of its proper divisors (113614690845).

255531054123 is a wasteful number, since it uses less digits than its factorization.

255531054123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487194 (or 3487191 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 255531054123 its reverse (321450135552), we get a palindrome (576981189675).

The spelling of 255531054123 in words is "two hundred fifty-five billion, five hundred thirty-one million, fifty-four thousand, one hundred twenty-three".