15465017131013 has 4 divisors (see below), whose sum is σ = 15510907389900. Its totient is φ = 15419126872128.

The previous prime is 15465017130973. The next prime is 15465017131027. The reversal of 15465017131013 is 31013171056451.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1239922336324 + 14225094794689 = 1113518^2 + 3771617^2 .

It is a cyclic number.

It is not a de Polignac number, because 15465017131013 - 2⁶ = 15465017130949 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 (15465017137013) by changing a digit.

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, 22945128938 + ... + 22945129611.

It is an arithmetic number, because the mean of its divisors is an integer number (3877726847475).

Almost surely, 2^{15465017131013} is an apocalyptic number.

It is an amenable number.

15465017131013 is a deficient number, since it is larger than the sum of its proper divisors (45890258887).

15465017131013 is an equidigital number, since it uses as much as digits as its factorization.

15465017131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45890258886.

The product of its (nonzero) digits is 37800, while the sum is 38.

Adding to 15465017131013 its reverse (31013171056451), we get a palindrome (46478188187464).

The spelling of 15465017131013 in words is "fifteen trillion, four hundred sixty-five billion, seventeen million, one hundred thirty-one thousand, thirteen".