11130551256 has 64 divisors (see below), whose sum is σ = 30365481600. Its totient is φ = 3371846400.

The previous prime is 11130551203. The next prime is 11130551297. The reversal of 11130551256 is 65215503111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498191 + ... + 1505601.

It is an arithmetic number, because the mean of its divisors is an integer number (474460650).

Almost surely, 2^11130551256 is an apocalyptic number.

It is an amenable number.

11130551256 is an abundant number, since it is smaller than the sum of its proper divisors (19234930344).

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

11130551256 is a wasteful number, since it uses less digits than its factorization.

11130551256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120 (or 13116 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 11130551256 in words is "eleven billion, one hundred thirty million, five hundred fifty-one thousand, two hundred fifty-six".