115599999998 has 16 divisors (see below), whose sum is σ = 204564056064. Its totient is φ = 47944700280.

The previous prime is 115599999997. The next prime is 115600000037. The reversal of 115599999998 is 899999995511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115599999997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133179290 + ... + 133180157.

It is an arithmetic number, because the mean of its divisors is an integer number (12785253504).

Almost surely, 2^115599999998 is an apocalyptic number.

115599999998 is a deficient number, since it is larger than the sum of its proper divisors (88964056066).

115599999998 is a wasteful number, since it uses less digits than its factorization.

115599999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266359487.

The product of its digits is 956593800, while the sum is 83.

The spelling of 115599999998 in words is "one hundred fifteen billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight".