25203124425 has 96 divisors (see below), whose sum is σ = 43684009600. Its totient is φ = 12809871360.

The previous prime is 25203124417. The next prime is 25203124451. The reversal of 25203124425 is 52442130252.

It is not a de Polignac number, because 25203124425 - 2³ = 25203124417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25203124392 and 25203124401.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29339646 + ... + 29340504.

Almost surely, 2^25203124425 is an apocalyptic number.

25203124425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25203124425 is a deficient number, since it is larger than the sum of its proper divisors (18480885175).

25203124425 is a wasteful number, since it uses less digits than its factorization.

25203124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25203124425 its reverse (52442130252), we get a palindrome (77645254677).

The spelling of 25203124425 in words is "twenty-five billion, two hundred three million, one hundred twenty-four thousand, four hundred twenty-five".