25124501312 has 84 divisors (see below), whose sum is σ = 51633973440. Its totient is φ = 12128914944.

The previous prime is 25124501309. The next prime is 25124501317. The reversal of 25124501312 is 21310542152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25124501317) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12177593 + ... + 12179655.

It is an arithmetic number, because the mean of its divisors is an integer number (614690160).

Almost surely, 2^25124501312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25124501312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25816986720).

25124501312 is an abundant number, since it is smaller than the sum of its proper divisors (26509472128).

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

25124501312 is a wasteful number, since it uses less digits than its factorization.

25124501312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288 (or 2241 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 25124501312 in words is "twenty-five billion, one hundred twenty-four million, five hundred one thousand, three hundred twelve".