25546225151 has 2 divisors, whose sum is σ = 25546225152. Its totient is φ = 25546225150.

The previous prime is 25546225141. The next prime is 25546225213. The reversal of 25546225151 is 15152264552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25546225151 - 2¹⁰ = 25546224127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25546225141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12773112575 + 12773112576.

It is an arithmetic number, because the mean of its divisors is an integer number (12773112576).

Almost surely, 2^25546225151 is an apocalyptic number.

25546225151 is a deficient number, since it is larger than the sum of its proper divisors (1).

25546225151 is an equidigital number, since it uses as much as digits as its factorization.

25546225151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120000, while the sum is 38.

The spelling of 25546225151 in words is "twenty-five billion, five hundred forty-six million, two hundred twenty-five thousand, one hundred fifty-one".