15020113525431 has 16 divisors (see below), whose sum is σ = 22888498988544. Its totient is φ = 8582656908384.

The previous prime is 15020113525387. The next prime is 15020113525441. The reversal of 15020113525431 is 13452531102051.

It is not a de Polignac number, because 15020113525431 - 2²³ = 15020105136823 is a prime.

It is a super-2 number, since 2×15020113525431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15020113525392 and 15020113525401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020113525441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10348996 + ... + 11710761.

It is an arithmetic number, because the mean of its divisors is an integer number (1430531186784).

Almost surely, 2^{15020113525431} is an apocalyptic number.

15020113525431 is a deficient number, since it is larger than the sum of its proper divisors (7868385463113).

15020113525431 is a wasteful number, since it uses less digits than its factorization.

15020113525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22092190.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 15020113525431 its reverse (13452531102051), we get a palindrome (28472644627482).

The spelling of 15020113525431 in words is "fifteen trillion, twenty billion, one hundred thirteen million, five hundred twenty-five thousand, four hundred thirty-one".