13013119557 has 20 divisors (see below), whose sum is σ = 20582844876. Its totient is φ = 8165093760.

The previous prime is 13013119547. The next prime is 13013119571. The reversal of 13013119557 is 75591131031.

It can be written as a sum of positive squares in 2 ways, for example, as 11219258241 + 1793861316 = 105921^2 + 42354^2 .

It is not a de Polignac number, because 13013119557 - 2¹⁹ = 13012595269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013119517) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4723794 + ... + 4726547.

Almost surely, 2^13013119557 is an apocalyptic number.

13013119557 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13013119557 is a deficient number, since it is larger than the sum of its proper divisors (7569725319).

13013119557 is an equidigital number, since it uses as much as digits as its factorization.

13013119557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450370 (or 9450361 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The spelling of 13013119557 in words is "thirteen billion, thirteen million, one hundred nineteen thousand, five hundred fifty-seven".