115366421117 has 2 divisors, whose sum is σ = 115366421118. Its totient is φ = 115366421116.

The previous prime is 115366421063. The next prime is 115366421201. The reversal of 115366421117 is 711124663511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71089423876 + 44276997241 = 266626^2 + 210421^2 .

It is a cyclic number.

It is not a de Polignac number, because 115366421117 - 2²⁶ = 115299312253 is a prime.

It is a super-2 number, since 2×115366421117² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115366427117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57683210558 + 57683210559.

It is an arithmetic number, because the mean of its divisors is an integer number (57683210559).

Almost surely, 2^115366421117 is an apocalyptic number.

It is an amenable number.

115366421117 is a deficient number, since it is larger than the sum of its proper divisors (1).

115366421117 is an equidigital number, since it uses as much as digits as its factorization.

115366421117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The spelling of 115366421117 in words is "one hundred fifteen billion, three hundred sixty-six million, four hundred twenty-one thousand, one hundred seventeen".