11125438992 has 40 divisors (see below), whose sum is σ = 31934131680. Its totient is φ = 3708479520.

The previous prime is 11125438967. The next prime is 11125439023. The reversal of 11125438992 is 29983452111.

11125438992 is a `hidden beast` number, since 1 + 1 + 12 + 543 + 8 + 9 + 92 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12876234 + ... + 12877097.

It is an arithmetic number, because the mean of its divisors is an integer number (798353292).

Almost surely, 2^11125438992 is an apocalyptic number.

11125438992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11125438992 is an abundant number, since it is smaller than the sum of its proper divisors (20808692688).

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

11125438992 is a wasteful number, since it uses less digits than its factorization.

11125438992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25753348 (or 25753336 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The spelling of 11125438992 in words is "eleven billion, one hundred twenty-five million, four hundred thirty-eight thousand, nine hundred ninety-two".