25752557500 has 30 divisors (see below), whose sum is σ = 56315698208. Its totient is φ = 10301022000.

The previous prime is 25752557489. The next prime is 25752557503. The reversal of 25752557500 is 575525752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25752557503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5148012 + ... + 5153011.

Almost surely, 2^25752557500 is an apocalyptic number.

25752557500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25752557500 is an abundant number, since it is smaller than the sum of its proper divisors (30563140708).

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

25752557500 is a wasteful number, since it uses less digits than its factorization.

25752557500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301047 (or 10301030 counting only the distinct ones).

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 25752557500 in words is "twenty-five billion, seven hundred fifty-two million, five hundred fifty-seven thousand, five hundred".