18136124613879 has 4 divisors (see below), whose sum is σ = 24181499485176. Its totient is φ = 12090749742584.

The previous prime is 18136124613787. The next prime is 18136124613899. The reversal of 18136124613879 is 97831642163181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18136124613879 - 2⁷ = 18136124613751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18136124613899) 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, 3022687435644 + ... + 3022687435649.

It is an arithmetic number, because the mean of its divisors is an integer number (6045374871294).

Almost surely, 2^{18136124613879} is an apocalyptic number.

18136124613879 is a deficient number, since it is larger than the sum of its proper divisors (6045374871297).

18136124613879 is an equidigital number, since it uses as much as digits as its factorization.

18136124613879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045374871296.

The product of its digits is 10450944, while the sum is 60.

The spelling of 18136124613879 in words is "eighteen trillion, one hundred thirty-six billion, one hundred twenty-four million, six hundred thirteen thousand, eight hundred seventy-nine".