15425431124425 has 72 divisors (see below), whose sum is σ = 22807642404960. Its totient is φ = 10312863724800.

The previous prime is 15425431124401. The next prime is 15425431124443. The reversal of 15425431124425 is 52442113452451.

It is not a de Polignac number, because 15425431124425 - 2⁵ = 15425431124393 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 79208022 + ... + 79402528.

It is an arithmetic number, because the mean of its divisors is an integer number (316772811180).

Almost surely, 2^{15425431124425} is an apocalyptic number.

It is an amenable number.

15425431124425 is a deficient number, since it is larger than the sum of its proper divisors (7382211280535).

15425431124425 is a wasteful number, since it uses less digits than its factorization.

15425431124425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196151 (or 196139 counting only the distinct ones).

The product of its digits is 768000, while the sum is 43.

Adding to 15425431124425 its reverse (52442113452451), we get a palindrome (67867544576876).

The spelling of 15425431124425 in words is "fifteen trillion, four hundred twenty-five billion, four hundred thirty-one million, one hundred twenty-four thousand, four hundred twenty-five".