11163139992 has 48 divisors (see below), whose sum is σ = 30330158040. Its totient is φ = 3709150848.

The previous prime is 11163139963. The next prime is 11163139993. The reversal of 11163139992 is 29993136111.

11163139992 is a `hidden beast` number, since 1 + 1 + 1 + 631 + 3 + 9 + 9 + 9 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163139993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225138 + ... + 270209.

Almost surely, 2^11163139992 is an apocalyptic number.

11163139992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11163139992 is an abundant number, since it is smaller than the sum of its proper divisors (19167018048).

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

11163139992 is a wasteful number, since it uses less digits than its factorization.

11163139992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495672 (or 495665 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The spelling of 11163139992 in words is "eleven billion, one hundred sixty-three million, one hundred thirty-nine thousand, nine hundred ninety-two".