115725381269 has 2 divisors, whose sum is σ = 115725381270. Its totient is φ = 115725381268.

The previous prime is 115725381181. The next prime is 115725381271. The reversal of 115725381269 is 962183527511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73489788100 + 42235593169 = 271090^2 + 205513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115725381269 is a prime.

It is a super-2 number, since 2×115725381269² (a number of 23 digits) contains 22 as substring.

Together with 115725381271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115725581269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57862690634 + 57862690635.

It is an arithmetic number, because the mean of its divisors is an integer number (57862690635).

Almost surely, 2^115725381269 is an apocalyptic number.

It is an amenable number.

115725381269 is a deficient number, since it is larger than the sum of its proper divisors (1).

115725381269 is an equidigital number, since it uses as much as digits as its factorization.

115725381269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The spelling of 115725381269 in words is "one hundred fifteen billion, seven hundred twenty-five million, three hundred eighty-one thousand, two hundred sixty-nine".