13173105157 has 4 divisors (see below), whose sum is σ = 13260344416. Its totient is φ = 13085865900.

The previous prime is 13173105149. The next prime is 13173105161. The reversal of 13173105157 is 75150137131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13173105157 - 2³ = 13173105149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13173165157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43619403 + ... + 43619704.

It is an arithmetic number, because the mean of its divisors is an integer number (3315086104).

Almost surely, 2^13173105157 is an apocalyptic number.

It is an amenable number.

13173105157 is a deficient number, since it is larger than the sum of its proper divisors (87239259).

13173105157 is an equidigital number, since it uses as much as digits as its factorization.

13173105157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87239258.

The product of its (nonzero) digits is 11025, while the sum is 34.

The spelling of 13173105157 in words is "thirteen billion, one hundred seventy-three million, one hundred five thousand, one hundred fifty-seven".