115105517 has 2 divisors, whose sum is σ = 115105518. Its totient is φ = 115105516.

The previous prime is 115105499. The next prime is 115105541. The reversal of 115105517 is 715501511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108035236 + 7070281 = 10394^2 + 2659^2 .

It is an emirp because it is prime and its reverse (715501511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115105517 - 2¹⁸ = 114843373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115105567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57552758 + 57552759.

It is an arithmetic number, because the mean of its divisors is an integer number (57552759).

Almost surely, 2^115105517 is an apocalyptic number.

It is an amenable number.

115105517 is a deficient number, since it is larger than the sum of its proper divisors (1).

115105517 is an equidigital number, since it uses as much as digits as its factorization.

115105517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 875, while the sum is 26.

The square root of 115105517 is about 10728.7239222566. The cubic root of 115105517 is about 486.4430990280.

The spelling of 115105517 in words is "one hundred fifteen million, one hundred five thousand, five hundred seventeen".