25124022016 has 36 divisors (see below), whose sum is σ = 53099906832. Its totient is φ = 11823067136.

The previous prime is 25124021987. The next prime is 25124022017. The reversal of 25124022016 is 61022042152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25124022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882140 + ... + 2890843.

It is an arithmetic number, because the mean of its divisors is an integer number (1474997412).

Almost surely, 2^25124022016 is an apocalyptic number.

It is an amenable number.

25124022016 is an abundant number, since it is smaller than the sum of its proper divisors (27975884816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25124022016 is an equidigital number, since it uses as much as digits as its factorization.

25124022016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773016 (or 5773002 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 25124022016 its reverse (61022042152), we get a palindrome (86146064168).

The spelling of 25124022016 in words is "twenty-five billion, one hundred twenty-four million, twenty-two thousand, sixteen".