115665050115 has 16 divisors (see below), whose sum is σ = 205626756000. Its totient is φ = 61688026656.

The previous prime is 115665050089. The next prime is 115665050153. The reversal of 115665050115 is 511050566511.

It is a happy number.

It is not a de Polignac number, because 115665050115 - 2¹⁸ = 115664787971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115665050115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428388940 + ... + 428389209.

It is an arithmetic number, because the mean of its divisors is an integer number (12851672250).

Almost surely, 2^115665050115 is an apocalyptic number.

115665050115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115665050115 is a deficient number, since it is larger than the sum of its proper divisors (89961705885).

115665050115 is an equidigital number, since it uses as much as digits as its factorization.

115665050115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856778163 (or 856778157 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 115665050115 in words is "one hundred fifteen billion, six hundred sixty-five million, fifty thousand, one hundred fifteen".