12431625542 has 8 divisors (see below), whose sum is σ = 21311358096. Its totient is φ = 5327839512.

The previous prime is 12431625533. The next prime is 12431625623. The reversal of 12431625542 is 24552613421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443986613 + ... + 443986640.

It is an arithmetic number, because the mean of its divisors is an integer number (2663919762).

Almost surely, 2^12431625542 is an apocalyptic number.

12431625542 is a deficient number, since it is larger than the sum of its proper divisors (8879732554).

12431625542 is an equidigital number, since it uses as much as digits as its factorization.

12431625542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887973262.

The product of its digits is 57600, while the sum is 35.

The spelling of 12431625542 in words is "twelve billion, four hundred thirty-one million, six hundred twenty-five thousand, five hundred forty-two".