11015199956 has 12 divisors (see below), whose sum is σ = 19277620992. Its totient is φ = 5507308248.

The previous prime is 11015199947. The next prime is 11015199971. The reversal of 11015199956 is 65999151011.

It is a self number, because there is not a number n which added to its sum of digits gives 11015199956.

It is a congruent number.

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, 27341 + ... + 150923.

It is an arithmetic number, because the mean of its divisors is an integer number (1606468416).

Almost surely, 2^11015199956 is an apocalyptic number.

It is an amenable number.

11015199956 is a deficient number, since it is larger than the sum of its proper divisors (8262421036).

11015199956 is a wasteful number, since it uses less digits than its factorization.

11015199956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145870 (or 145868 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 47.

The spelling of 11015199956 in words is "eleven billion, fifteen million, one hundred ninety-nine thousand, nine hundred fifty-six".