25242522542 has 16 divisors (see below), whose sum is σ = 39863250960. Its totient is φ = 11954993472.

The previous prime is 25242522449. The next prime is 25242522593. The reversal of 25242522542 is 24522524252.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 190058 + ... + 294290.

It is an arithmetic number, because the mean of its divisors is an integer number (2491453185).

Almost surely, 2^25242522542 is an apocalyptic number.

25242522542 is a deficient number, since it is larger than the sum of its proper divisors (14620728418).

25242522542 is a wasteful number, since it uses less digits than its factorization.

25242522542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110627.

The product of its digits is 128000, while the sum is 35.

The spelling of 25242522542 in words is "twenty-five billion, two hundred forty-two million, five hundred twenty-two thousand, five hundred forty-two".