25125056051 has 4 divisors (see below), whose sum is σ = 25316850504. Its totient is φ = 24933261600.

The previous prime is 25125056029. The next prime is 25125056057. The reversal of 25125056051 is 15065052152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25125056051 - 2¹⁰ = 25125055027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25125055999 and 25125056017.

It is not an unprimeable number, because it can be changed into a prime (25125056057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95897030 + ... + 95897291.

It is an arithmetic number, because the mean of its divisors is an integer number (6329212626).

Almost surely, 2^25125056051 is an apocalyptic number.

25125056051 is a deficient number, since it is larger than the sum of its proper divisors (191794453).

25125056051 is a wasteful number, since it uses less digits than its factorization.

25125056051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191794452.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 25125056051 in words is "twenty-five billion, one hundred twenty-five million, fifty-six thousand, fifty-one".