13036418691185 has 16 divisors (see below), whose sum is σ = 16566300502992. Its totient is φ = 9814245888000.

The previous prime is 13036418691181. The next prime is 13036418691193. The reversal of 13036418691185 is 58119681463031.

It can be written as a sum of positive squares in 8 ways, for example, as 1443707983936 + 11592710707249 = 1201544^2 + 3404807^2 .

It is not a de Polignac number, because 13036418691185 - 2² = 13036418691181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13036418691185.

It is not an unprimeable number, because it can be changed into a prime (13036418691181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10424666 + ... + 11608035.

It is an arithmetic number, because the mean of its divisors is an integer number (1035393781437).

Almost surely, 2^{13036418691185} is an apocalyptic number.

It is an amenable number.

13036418691185 is a deficient number, since it is larger than the sum of its proper divisors (3529881811807).

13036418691185 is a wasteful number, since it uses less digits than its factorization.

13036418691185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22039684.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 13036418691185 in words is "thirteen trillion, thirty-six billion, four hundred eighteen million, six hundred ninety-one thousand, one hundred eighty-five".