11813595666418 has 64 divisors (see below), whose sum is σ = 22119144284160. Its totient is φ = 4607217518400.

The previous prime is 11813595666391. The next prime is 11813595666419. The reversal of 11813595666418 is 81466659531811.

It is a super-2 number, since 2×11813595666418² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11813595666418.

It is not an unprimeable number, because it can be changed into a prime (11813595666419) 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, 144310743 + ... + 144392581.

It is an arithmetic number, because the mean of its divisors is an integer number (345611629440).

Almost surely, 2^{11813595666418} is an apocalyptic number.

11813595666418 is a deficient number, since it is larger than the sum of its proper divisors (10305548617742).

11813595666418 is a wasteful number, since it uses less digits than its factorization.

11813595666418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93103.

The product of its digits is 37324800, while the sum is 64.

The spelling of 11813595666418 in words is "eleven trillion, eight hundred thirteen billion, five hundred ninety-five million, six hundred sixty-six thousand, four hundred eighteen".