11456658988 has 24 divisors (see below), whose sum is σ = 21358653120. Its totient is φ = 5361451920.

The previous prime is 11456658979. The next prime is 11456659051. The reversal of 11456658988 is 88985665411.

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, 901798 + ... + 914413.

It is an arithmetic number, because the mean of its divisors is an integer number (889943880).

Almost surely, 2^11456658988 is an apocalyptic number.

It is an amenable number.

11456658988 is a deficient number, since it is larger than the sum of its proper divisors (9901994132).

11456658988 is a wasteful number, since it uses less digits than its factorization.

11456658988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816317 (or 1816315 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 61.

The spelling of 11456658988 in words is "eleven billion, four hundred fifty-six million, six hundred fifty-eight thousand, nine hundred eighty-eight".