255178174012 has 6 divisors (see below), whose sum is σ = 446561804528. Its totient is φ = 127589087004.

The previous prime is 255178174007. The next prime is 255178174073. The reversal of 255178174012 is 210471871552.

It is a happy number.

It is a super-2 number, since 2×255178174012² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255178174012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31897271748 + ... + 31897271755.

Almost surely, 2^255178174012 is an apocalyptic number.

It is an amenable number.

255178174012 is a deficient number, since it is larger than the sum of its proper divisors (191383630516).

255178174012 is a wasteful number, since it uses less digits than its factorization.

255178174012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63794543507 (or 63794543505 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 43.

The spelling of 255178174012 in words is "two hundred fifty-five billion, one hundred seventy-eight million, one hundred seventy-four thousand, twelve".