11926126818 has 24 divisors (see below), whose sum is σ = 25843209600. Its totient is φ = 3974872824.

The previous prime is 11926126801. The next prime is 11926126843. The reversal of 11926126818 is 81862162911.

It is a happy number.

11926126818 is a `hidden beast` number, since 1 + 19 + 2 + 612 + 6 + 8 + 18 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121623 + ... + 196581.

It is an arithmetic number, because the mean of its divisors is an integer number (1076800400).

Almost surely, 2^11926126818 is an apocalyptic number.

11926126818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11926126818 is an abundant number, since it is smaller than the sum of its proper divisors (13917082782).

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

11926126818 is a wasteful number, since it uses less digits than its factorization.

11926126818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83806 (or 83803 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The spelling of 11926126818 in words is "eleven billion, nine hundred twenty-six million, one hundred twenty-six thousand, eight hundred eighteen".