11406021868 has 12 divisors (see below), whose sum is σ = 19961984952. Its totient is φ = 5702597600.

The previous prime is 11406021863. The next prime is 11406021901. The reversal of 11406021868 is 86812060411.

It is not an unprimeable number, because it can be changed into a prime (11406021863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36433 + ... + 155368.

It is an arithmetic number, because the mean of its divisors is an integer number (1663498746).

Almost surely, 2^11406021868 is an apocalyptic number.

It is an amenable number.

11406021868 is a deficient number, since it is larger than the sum of its proper divisors (8555963084).

11406021868 is a wasteful number, since it uses less digits than its factorization.

11406021868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206672 (or 206670 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 11406021868 in words is "eleven billion, four hundred six million, twenty-one thousand, eight hundred sixty-eight".