25087375488 has 256 divisors, whose sum is σ = 80443238400. Its totient is φ = 6772187136.

The previous prime is 25087375429. The next prime is 25087375493. The reversal of 25087375488 is 88457378052.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 5128948 + ... + 5133836.

It is an arithmetic number, because the mean of its divisors is an integer number (314231400).

Almost surely, 2^25087375488 is an apocalyptic number.

25087375488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25087375488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40221619200).

25087375488 is an abundant number, since it is smaller than the sum of its proper divisors (55355862912).

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

25087375488 is a wasteful number, since it uses less digits than its factorization.

25087375488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 57.

The spelling of 25087375488 in words is "twenty-five billion, eighty-seven million, three hundred seventy-five thousand, four hundred eighty-eight".