252505810056 has 16 divisors (see below), whose sum is σ = 631264525200. Its totient is φ = 84168603344.

The previous prime is 252505810033. The next prime is 252505810069. The reversal of 252505810056 is 650018505252.

It is a super-2 number, since 2×252505810056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252505809996 and 252505810023.

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, 5260537686 + ... + 5260537733.

It is an arithmetic number, because the mean of its divisors is an integer number (39454032825).

Almost surely, 2^252505810056 is an apocalyptic number.

It is an amenable number.

252505810056 is an abundant number, since it is smaller than the sum of its proper divisors (378758715144).

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

252505810056 is a wasteful number, since it uses less digits than its factorization.

252505810056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521075428 (or 10521075424 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 252505810056 in words is "two hundred fifty-two billion, five hundred five million, eight hundred ten thousand, fifty-six".