25140251502625 has 16 divisors (see below), whose sum is σ = 35857181572992. Its totient is φ = 17239029601200.

The previous prime is 25140251502593. The next prime is 25140251502689. The reversal of 25140251502625 is 52620515204152.

It is not a de Polignac number, because 25140251502625 - 2⁵ = 25140251502593 is a prime.

It is a Duffinian 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, 14365857127 + ... + 14365858876.

It is an arithmetic number, because the mean of its divisors is an integer number (2241073848312).

Almost surely, 2^{25140251502625} is an apocalyptic number.

25140251502625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25140251502625 is a deficient number, since it is larger than the sum of its proper divisors (10716930070367).

25140251502625 is an equidigital number, since it uses as much as digits as its factorization.

25140251502625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28731716025 (or 28731716015 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 25140251502625 its reverse (52620515204152), we get a palindrome (77760766706777).

The spelling of 25140251502625 in words is "twenty-five trillion, one hundred forty billion, two hundred fifty-one million, five hundred two thousand, six hundred twenty-five".