13157175243527 has 4 divisors (see below), whose sum is σ = 15036771706896. Its totient is φ = 11277578780160.

The previous prime is 13157175243491. The next prime is 13157175243577. The reversal of 13157175243527 is 72534257175131.

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

It is not a de Polignac number, because 13157175243527 - 2¹² = 13157175239431 is a prime.

It is a super-2 number, since 2×13157175243527² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13157175243577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939798231674 + ... + 939798231687.

It is an arithmetic number, because the mean of its divisors is an integer number (3759192926724).

Almost surely, 2^{13157175243527} is an apocalyptic number.

13157175243527 is a deficient number, since it is larger than the sum of its proper divisors (1879596463369).

13157175243527 is an equidigital number, since it uses as much as digits as its factorization.

13157175243527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879596463368.

The product of its digits is 6174000, while the sum is 53.

The spelling of 13157175243527 in words is "thirteen trillion, one hundred fifty-seven billion, one hundred seventy-five million, two hundred forty-three thousand, five hundred twenty-seven".