11406786018 has 64 divisors (see below), whose sum is σ = 23818302720. Its totient is φ = 3638476800.

The previous prime is 11406786011. The next prime is 11406786019. The reversal of 11406786018 is 81068760411.

It is a super-2 number, since 2×11406786018² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11406786011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10102878 + ... + 10104006.

It is an arithmetic number, because the mean of its divisors is an integer number (372160980).

Almost surely, 2^11406786018 is an apocalyptic number.

11406786018 is an abundant number, since it is smaller than the sum of its proper divisors (12411516702).

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

11406786018 is a wasteful number, since it uses less digits than its factorization.

11406786018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its (nonzero) digits is 64512, while the sum is 42.

The spelling of 11406786018 in words is "eleven billion, four hundred six million, seven hundred eighty-six thousand, eighteen".