13119791818044 has 12 divisors (see below), whose sum is σ = 30612847575464. Its totient is φ = 4373263939344.

The previous prime is 13119791817971. The next prime is 13119791818073. The reversal of 13119791818044 is 44081819791131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546657992407 + ... + 546657992430.

Almost surely, 2^{13119791818044} is an apocalyptic number.

It is an amenable number.

13119791818044 is an abundant number, since it is smaller than the sum of its proper divisors (17493055757420).

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

13119791818044 is a wasteful number, since it uses less digits than its factorization.

13119791818044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093315984844 (or 1093315984842 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 57.

The spelling of 13119791818044 in words is "thirteen trillion, one hundred nineteen billion, seven hundred ninety-one million, eight hundred eighteen thousand, forty-four".