25068876137 has 2 divisors, whose sum is σ = 25068876138. Its totient is φ = 25068876136.

The previous prime is 25068876109. The next prime is 25068876149. The reversal of 25068876137 is 73167886052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16772581081 + 8296295056 = 129509^2 + 91084^2 .

It is a cyclic number.

It is not a de Polignac number, because 25068876137 - 2³⁴ = 7889006953 is a prime.

It is a super-3 number, since 3×25068876137³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (25068876187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534438068 + 12534438069.

It is an arithmetic number, because the mean of its divisors is an integer number (12534438069).

Almost surely, 2^25068876137 is an apocalyptic number.

It is an amenable number.

25068876137 is a deficient number, since it is larger than the sum of its proper divisors (1).

25068876137 is an equidigital number, since it uses as much as digits as its factorization.

25068876137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 25068876137 in words is "twenty-five billion, sixty-eight million, eight hundred seventy-six thousand, one hundred thirty-seven".