25125002515250 has 64 divisors (see below), whose sum is σ = 51311418537600. Its totient is φ = 9136080504000.

The previous prime is 25125002515237. The next prime is 25125002515271. The reversal of 25125002515250 is 5251520052152.

It is a self number, because there is not a number n which added to its sum of digits gives 25125002515250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101568716 + ... + 101815784.

It is an arithmetic number, because the mean of its divisors is an integer number (801740914650).

Almost surely, 2^{25125002515250} is an apocalyptic number.

25125002515250 is an abundant number, since it is smaller than the sum of its proper divisors (26186416022350).

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

25125002515250 is a wasteful number, since it uses less digits than its factorization.

25125002515250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284076 (or 284066 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 25125002515250 in words is "twenty-five trillion, one hundred twenty-five billion, two million, five hundred fifteen thousand, two hundred fifty".