10513081256 has 32 divisors (see below), whose sum is σ = 20211811200. Its totient is φ = 5123506560.

The previous prime is 10513081217. The next prime is 10513081279. The reversal of 10513081256 is 65218031501.

It is a super-2 number, since 2×10513081256² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347255 + ... + 376313.

It is an arithmetic number, because the mean of its divisors is an integer number (631619100).

Almost surely, 2^10513081256 is an apocalyptic number.

It is an amenable number.

10513081256 is a deficient number, since it is larger than the sum of its proper divisors (9698729944).

10513081256 is a wasteful number, since it uses less digits than its factorization.

10513081256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30209 (or 30205 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 10513081256 in words is "ten billion, five hundred thirteen million, eighty-one thousand, two hundred fifty-six".