13875081357 has 4 divisors (see below), whose sum is σ = 18500108480. Its totient is φ = 9250054236.

The previous prime is 13875081347. The next prime is 13875081413. The reversal of 13875081357 is 75318057831.

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 not a de Polignac number, because 13875081357 - 2⁶ = 13875081293 is a prime.

It is a super-2 number, since 2×13875081357² (a number of 21 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 (13875081317) 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, 2312513557 + ... + 2312513562.

It is an arithmetic number, because the mean of its divisors is an integer number (4625027120).

Almost surely, 2^13875081357 is an apocalyptic number.

It is an amenable number.

13875081357 is a deficient number, since it is larger than the sum of its proper divisors (4625027123).

13875081357 is an equidigital number, since it uses as much as digits as its factorization.

13875081357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625027122.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 13875081357 in words is "thirteen billion, eight hundred seventy-five million, eighty-one thousand, three hundred fifty-seven".