11188139916 has 24 divisors (see below), whose sum is σ = 26110577920. Its totient is φ = 3728677392.

The previous prime is 11188139881. The next prime is 11188139927. The reversal of 11188139916 is 61993188111.

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, 19336 + ... + 150831.

Almost surely, 2^11188139916 is an apocalyptic number.

It is an amenable number.

11188139916 is an abundant number, since it is smaller than the sum of its proper divisors (14922438004).

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

11188139916 is a wasteful number, since it uses less digits than its factorization.

11188139916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175653 (or 175651 counting only the distinct ones).

The product of its digits is 93312, while the sum is 48.

The spelling of 11188139916 in words is "eleven billion, one hundred eighty-eight million, one hundred thirty-nine thousand, nine hundred sixteen".