11418972808 has 16 divisors (see below), whose sum is σ = 21773466000. Its totient is φ = 5612715216.

The previous prime is 11418972781. The next prime is 11418972809. The reversal of 11418972808 is 80827981411.

It is not an unprimeable number, because it can be changed into a prime (11418972809) 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, 12095898 + ... + 12096841.

It is an arithmetic number, because the mean of its divisors is an integer number (1360841625).

Almost surely, 2^11418972808 is an apocalyptic number.

It is an amenable number.

11418972808 is a deficient number, since it is larger than the sum of its proper divisors (10354493192).

11418972808 is a wasteful number, since it uses less digits than its factorization.

11418972808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24192804 (or 24192800 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 49.

The spelling of 11418972808 in words is "eleven billion, four hundred eighteen million, nine hundred seventy-two thousand, eight hundred eight".