25270316117 has 2 divisors, whose sum is σ = 25270316118. Its totient is φ = 25270316116.

The previous prime is 25270316051. The next prime is 25270316161. The reversal of 25270316117 is 71161307252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17463886801 + 7806429316 = 132151^2 + 88354^2 .

It is a cyclic number.

It is not a de Polignac number, because 25270316117 - 2¹² = 25270312021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25270316917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12635158058 + 12635158059.

It is an arithmetic number, because the mean of its divisors is an integer number (12635158059).

Almost surely, 2^25270316117 is an apocalyptic number.

It is an amenable number.

25270316117 is a deficient number, since it is larger than the sum of its proper divisors (1).

25270316117 is an equidigital number, since it uses as much as digits as its factorization.

25270316117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 25270316117 in words is "twenty-five billion, two hundred seventy million, three hundred sixteen thousand, one hundred seventeen".