11418972912 has 30 divisors (see below), whose sum is σ = 31957264872. Its totient is φ = 3806324256.

The previous prime is 11418972889. The next prime is 11418972931. The reversal of 11418972912 is 21927981411.

It is a congruent 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, 39649068 + ... + 39649355.

Almost surely, 2^11418972912 is an apocalyptic number.

11418972912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11418972912 is an abundant number, since it is smaller than the sum of its proper divisors (20538291960).

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

11418972912 is a wasteful number, since it uses less digits than its factorization.

11418972912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79298437 (or 79298428 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The spelling of 11418972912 in words is "eleven billion, four hundred eighteen million, nine hundred seventy-two thousand, nine hundred twelve".