115552212099 has 32 divisors (see below), whose sum is σ = 165873383424. Its totient is φ = 71286151680.

The previous prime is 115552212079. The next prime is 115552212137. The reversal of 115552212099 is 990212255511.

It is not a de Polignac number, because 115552212099 - 2⁹ = 115552211587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115552212099.

It is not an unprimeable number, because it can be changed into a prime (115552212079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9834222 + ... + 9845964.

It is an arithmetic number, because the mean of its divisors is an integer number (5183543232).

Almost surely, 2^115552212099 is an apocalyptic number.

115552212099 is a deficient number, since it is larger than the sum of its proper divisors (50321171325).

115552212099 is a wasteful number, since it uses less digits than its factorization.

115552212099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14987.

The product of its (nonzero) digits is 81000, while the sum is 42.

The spelling of 115552212099 in words is "one hundred fifteen billion, five hundred fifty-two million, two hundred twelve thousand, ninety-nine".