25275027500 has 30 divisors (see below), whose sum is σ = 55271435604. Its totient is φ = 10110010000.

The previous prime is 25275027473. The next prime is 25275027527. The reversal of 25275027500 is 572057252.

It is an interprime number because it is at equal distance from previous prime (25275027473) and next prime (25275027527).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 5052506 + ... + 5057505.

Almost surely, 2^25275027500 is an apocalyptic number.

25275027500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25275027500 is an abundant number, since it is smaller than the sum of its proper divisors (29996408104).

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

25275027500 is a wasteful number, since it uses less digits than its factorization.

25275027500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110035 (or 10110018 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 25275027500 in words is "twenty-five billion, two hundred seventy-five million, twenty-seven thousand, five hundred".