115089917 has 2 divisors, whose sum is σ = 115089918. Its totient is φ = 115089916.

The previous prime is 115089913. The next prime is 115089937. The reversal of 115089917 is 719980511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64096036 + 50993881 = 8006^2 + 7141^2 .

It is a cyclic number.

It is not a de Polignac number, because 115089917 - 2² = 115089913 is a prime.

It is a super-3 number, since 3×115089917³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115089913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57544958 + 57544959.

It is an arithmetic number, because the mean of its divisors is an integer number (57544959).

Almost surely, 2^115089917 is an apocalyptic number.

It is an amenable number.

115089917 is a deficient number, since it is larger than the sum of its proper divisors (1).

115089917 is an equidigital number, since it uses as much as digits as its factorization.

115089917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 115089917 is about 10727.9968773299. The cubic root of 115089917 is about 486.4211225106.

The spelling of 115089917 in words is "one hundred fifteen million, eighty-nine thousand, nine hundred seventeen".