25125022551 has 8 divisors (see below), whose sum is σ = 35470620144. Its totient is φ = 15764720000.

The previous prime is 25125022519. The next prime is 25125022577. The reversal of 25125022551 is 15522052152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25125022551 - 2⁵ = 25125022519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25125022511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246323700 + ... + 246323801.

It is an arithmetic number, because the mean of its divisors is an integer number (4433827518).

Almost surely, 2^25125022551 is an apocalyptic number.

25125022551 is a deficient number, since it is larger than the sum of its proper divisors (10345597593).

25125022551 is a wasteful number, since it uses less digits than its factorization.

25125022551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492647521.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 25125022551 in words is "twenty-five billion, one hundred twenty-five million, twenty-two thousand, five hundred fifty-one".