11399885586 has 12 divisors (see below), whose sum is σ = 24699752142. Its totient is φ = 3799961856.

The previous prime is 11399885561. The next prime is 11399885611. The reversal of 11399885586 is 68558899311.

11399885586 is a `hidden beast` number, since 11 + 39 + 9 + 8 + 8 + 5 + 586 = 666.

It is an interprime number because it is at equal distance from previous prime (11399885561) and next prime (11399885611).

It can be written as a sum of positive squares in only one way, i.e., 8664072561 + 2735813025 = 93081^2 + 52305^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316663471 + ... + 316663506.

Almost surely, 2^11399885586 is an apocalyptic number.

11399885586 is an abundant number, since it is smaller than the sum of its proper divisors (13299866556).

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

11399885586 is a wasteful number, since it uses less digits than its factorization.

11399885586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633326985 (or 633326982 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 63.

The spelling of 11399885586 in words is "eleven billion, three hundred ninety-nine million, eight hundred eighty-five thousand, five hundred eighty-six".