13157135755 has 4 divisors (see below), whose sum is σ = 15788562912. Its totient is φ = 10525708600.

The previous prime is 13157135749. The next prime is 13157135779. The reversal of 13157135755 is 55753175131.

It is a happy number.

13157135755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13157135755 - 2¹⁹ = 13156611467 is a prime.

It is a super-2 number, since 2×13157135755² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315713571 + ... + 1315713580.

It is an arithmetic number, because the mean of its divisors is an integer number (3947140728).

Almost surely, 2^13157135755 is an apocalyptic number.

13157135755 is a deficient number, since it is larger than the sum of its proper divisors (2631427157).

13157135755 is an equidigital number, since it uses as much as digits as its factorization.

13157135755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631427156.

The product of its digits is 275625, while the sum is 43.

The spelling of 13157135755 in words is "thirteen billion, one hundred fifty-seven million, one hundred thirty-five thousand, seven hundred fifty-five".