25252527500 has 60 divisors (see below), whose sum is σ = 55327264608. Its totient is φ = 10081800000.

The previous prime is 25252527427. The next prime is 25252527511. The reversal of 25252527500 is 572525252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1343165 + ... + 1361835.

Almost surely, 2^25252527500 is an apocalyptic number.

25252527500 is a gapful number since it is divisible by the number (20) 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 25252527500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27663632304).

25252527500 is an abundant number, since it is smaller than the sum of its proper divisors (30074737108).

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

25252527500 is a wasteful number, since it uses less digits than its factorization.

25252527500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236 (or 19219 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The spelling of 25252527500 in words is "twenty-five billion, two hundred fifty-two million, five hundred twenty-seven thousand, five hundred".