255151515650 has 12 divisors (see below), whose sum is σ = 474581819202. Its totient is φ = 102060606240.

The previous prime is 255151515631. The next prime is 255151515667. The reversal of 255151515650 is 56515151552.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 218978138401 + 36173377249 = 467951^2 + 190193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255151515598 and 255151515607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2551515107 + ... + 2551515206.

Almost surely, 2^255151515650 is an apocalyptic number.

255151515650 is a deficient number, since it is larger than the sum of its proper divisors (219430303552).

255151515650 is a wasteful number, since it uses less digits than its factorization.

255151515650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103030325 (or 5103030320 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 41.

The spelling of 255151515650 in words is "two hundred fifty-five billion, one hundred fifty-one million, five hundred fifteen thousand, six hundred fifty".