25026528500 has 48 divisors (see below), whose sum is σ = 55349898240. Its totient is φ = 9883879200.

The previous prime is 25026528497. The next prime is 25026528517. The reversal of 25026528500 is 582562052.

It is a super-2 number, since 2×25026528500² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277292 + ... + 356291.

It is an arithmetic number, because the mean of its divisors is an integer number (1153122880).

Almost surely, 2^25026528500 is an apocalyptic number.

25026528500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25026528500 is an abundant number, since it is smaller than the sum of its proper divisors (30323369740).

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

25026528500 is a wasteful number, since it uses less digits than its factorization.

25026528500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633681 (or 633669 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

It can be divided in two parts, 2502652 and 8500, that added together give a palindrome (2511152).

The spelling of 25026528500 in words is "twenty-five billion, twenty-six million, five hundred twenty-eight thousand, five hundred".