115660105 has 16 divisors (see below), whose sum is σ = 153489024. Its totient is φ = 82961280.

The previous prime is 115660099. The next prime is 115660109. The reversal of 115660105 is 501066511.

It is not a de Polignac number, because 115660105 - 2¹⁹ = 115135817 is a prime.

It is a super-2 number, since 2×115660105² = 26754519777222050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115660105.

It is not an unprimeable number, because it can be changed into a prime (115660109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10389 + ... + 18418.

It is an arithmetic number, because the mean of its divisors is an integer number (9593064).

Almost surely, 2^115660105 is an apocalyptic number.

It is an amenable number.

115660105 is a deficient number, since it is larger than the sum of its proper divisors (37828919).

115660105 is a wasteful number, since it uses less digits than its factorization.

115660105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28896.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 115660105 is about 10754.5388092656. The cubic root of 115660105 is about 487.2230888479.

The spelling of 115660105 in words is "one hundred fifteen million, six hundred sixty thousand, one hundred five".