11817118504 has 8 divisors (see below), whose sum is σ = 22157097210. Its totient is φ = 5908559248.

The previous prime is 11817118493. The next prime is 11817118517. The reversal of 11817118504 is 40581171811.

It can be written as a sum of positive squares in only one way, i.e., 11813516100 + 3602404 = 108690^2 + 1898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×11817118504³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 738569899 + ... + 738569914.

Almost surely, 2^11817118504 is an apocalyptic number.

It is an amenable number.

11817118504 is a deficient number, since it is larger than the sum of its proper divisors (10339978706).

11817118504 is a wasteful number, since it uses less digits than its factorization.

11817118504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477139819 (or 1477139815 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 37.

It can be divided in two parts, 11817 and 118504, that added together give a 4-th power (130321 = 19⁴).

The spelling of 11817118504 in words is "eleven billion, eight hundred seventeen million, one hundred eighteen thousand, five hundred four".