25500560051 has 2 divisors, whose sum is σ = 25500560052. Its totient is φ = 25500560050.

The previous prime is 25500560017. The next prime is 25500560081. The reversal of 25500560051 is 15006500552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25500560051 - 2¹⁴ = 25500543667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25500559996 and 25500560023.

It is not a weakly prime, because it can be changed into another prime (25500560011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750280025 + 12750280026.

It is an arithmetic number, because the mean of its divisors is an integer number (12750280026).

Almost surely, 2^25500560051 is an apocalyptic number.

25500560051 is a deficient number, since it is larger than the sum of its proper divisors (1).

25500560051 is an equidigital number, since it uses as much as digits as its factorization.

25500560051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 25500560051 in words is "twenty-five billion, five hundred million, five hundred sixty thousand, fifty-one".