25500260179 has 2 divisors, whose sum is σ = 25500260180. Its totient is φ = 25500260178.

The previous prime is 25500260131. The next prime is 25500260213. The reversal of 25500260179 is 97106200552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25500260179 is a prime.

It is a super-2 number, since 2×25500260179² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25500260119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750130089 + 12750130090.

It is an arithmetic number, because the mean of its divisors is an integer number (12750130090).

Almost surely, 2^25500260179 is an apocalyptic number.

25500260179 is a deficient number, since it is larger than the sum of its proper divisors (1).

25500260179 is an equidigital number, since it uses as much as digits as its factorization.

25500260179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 25500260179 in words is "twenty-five billion, five hundred million, two hundred sixty thousand, one hundred seventy-nine".