11165552456 has 32 divisors (see below), whose sum is σ = 21643711680. Its totient is φ = 5395896000.

The previous prime is 11165552443. The next prime is 11165552477. The reversal of 11165552456 is 65425556111.

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, 80210 + ... + 169601.

It is an arithmetic number, because the mean of its divisors is an integer number (676365990).

Almost surely, 2^11165552456 is an apocalyptic number.

It is an amenable number.

11165552456 is a deficient number, since it is larger than the sum of its proper divisors (10478159224).

11165552456 is a wasteful number, since it uses less digits than its factorization.

11165552456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250005 (or 250001 counting only the distinct ones).

The product of its digits is 180000, while the sum is 41.

The spelling of 11165552456 in words is "eleven billion, one hundred sixty-five million, five hundred fifty-two thousand, four hundred fifty-six".