13381919155 has 64 divisors (see below), whose sum is σ = 18850890240. Its totient is φ = 9011865600.

The previous prime is 13381919077. The next prime is 13381919197. The reversal of 13381919155 is 55191918331.

It is not a de Polignac number, because 13381919155 - 2²⁷ = 13247701427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18107776 + ... + 18108514.

It is an arithmetic number, because the mean of its divisors is an integer number (294545160).

Almost surely, 2^13381919155 is an apocalyptic number.

13381919155 is a deficient number, since it is larger than the sum of its proper divisors (5468971085).

13381919155 is a wasteful number, since it uses less digits than its factorization.

13381919155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060.

The product of its digits is 145800, while the sum is 46.

The spelling of 13381919155 in words is "thirteen billion, three hundred eighty-one million, nine hundred nineteen thousand, one hundred fifty-five".