655145057256 has 16 divisors (see below), whose sum is σ = 1637862643200. Its totient is φ = 218381685744.

The previous prime is 655145057233. The next prime is 655145057263. The reversal of 655145057256 is 652750541556.

It is a junction number, because it is equal to n+sod(n) for n = 655145057199 and 655145057208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13648855336 + ... + 13648855383.

It is an arithmetic number, because the mean of its divisors is an integer number (102366415200).

Almost surely, 2^655145057256 is an apocalyptic number.

It is an amenable number.

655145057256 is an abundant number, since it is smaller than the sum of its proper divisors (982717585944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655145057256 is a wasteful number, since it uses less digits than its factorization.

655145057256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27297710728 (or 27297710724 counting only the distinct ones).

The product of its (nonzero) digits is 6300000, while the sum is 51.

The spelling of 655145057256 in words is "six hundred fifty-five billion, one hundred forty-five million, fifty-seven thousand, two hundred fifty-six".