115515050555 has 8 divisors (see below), whose sum is σ = 139321706832. Its totient is φ = 91942943008.

The previous prime is 115515050527. The next prime is 115515050579. The reversal of 115515050555 is 555050515511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115515050555 - 2¹² = 115515046459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58636097 + ... + 58638066.

It is an arithmetic number, because the mean of its divisors is an integer number (17415213354).

Almost surely, 2^115515050555 is an apocalyptic number.

115515050555 is a deficient number, since it is larger than the sum of its proper divisors (23806656277).

115515050555 is a wasteful number, since it uses less digits than its factorization.

115515050555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117274365.

The product of its (nonzero) digits is 78125, while the sum is 38.

The spelling of 115515050555 in words is "one hundred fifteen billion, five hundred fifteen million, fifty thousand, five hundred fifty-five".