25138750026250 has 40 divisors (see below), whose sum is σ = 53851512074976. Its totient is φ = 8619000006000.

The previous prime is 25138750026239. The next prime is 25138750026253. The reversal of 25138750026250 is 5262005783152.

It is a super-3 number, since 3×25138750026250³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25138750026250.

It is not an unprimeable number, because it can be changed into a prime (25138750026253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1436491252 + ... + 1436508751.

Almost surely, 2^{25138750026250} is an apocalyptic number.

25138750026250 is an abundant number, since it is smaller than the sum of its proper divisors (28712762048726).

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

25138750026250 is an equidigital number, since it uses as much as digits as its factorization.

25138750026250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873000032 (or 2873000017 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 25138750026250 in words is "twenty-five trillion, one hundred thirty-eight billion, seven hundred fifty million, twenty-six thousand, two hundred fifty".