25231424356 has 24 divisors (see below), whose sum is σ = 45366108480. Its totient is φ = 12269945952.

The previous prime is 25231424347. The next prime is 25231424381. The reversal of 25231424356 is 65342413252.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7 ways as a sum of consecutive naturals, for example, 362115 + ... + 426133.

It is an arithmetic number, because the mean of its divisors is an integer number (1890254520).

Almost surely, 2^25231424356 is an apocalyptic number.

It is an amenable number.

25231424356 is a deficient number, since it is larger than the sum of its proper divisors (20134684124).

25231424356 is a wasteful number, since it uses less digits than its factorization.

25231424356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66723 (or 66721 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The spelling of 25231424356 in words is "twenty-five billion, two hundred thirty-one million, four hundred twenty-four thousand, three hundred fifty-six".