13381130766891 has 16 divisors (see below), whose sum is σ = 17873855926400. Its totient is φ = 8904590817408.

The previous prime is 13381130766869. The next prime is 13381130766911. The reversal of 13381130766891 is 19866703118331.

It is not a de Polignac number, because 13381130766891 - 2⁶ = 13381130766827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13381130766491) 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, 3445875 + ... + 6215811.

It is an arithmetic number, because the mean of its divisors is an integer number (1117115995400).

Almost surely, 2^{13381130766891} is an apocalyptic number.

13381130766891 is a deficient number, since it is larger than the sum of its proper divisors (4492725159509).

13381130766891 is a wasteful number, since it uses less digits than its factorization.

13381130766891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772858.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 13381130766891 in words is "thirteen trillion, three hundred eighty-one billion, one hundred thirty million, seven hundred sixty-six thousand, eight hundred ninety-one".