115242505299 has 12 divisors (see below), whose sum is σ = 172626633816. Its totient is φ = 76828336704.

The previous prime is 115242505271. The next prime is 115242505387. The reversal of 115242505299 is 992505242511.

115242505299 is a `hidden beast` number, since 1 + 1 + 52 + 4 + 2 + 505 + 2 + 99 = 666.

It is not a de Polignac number, because 115242505299 - 2¹¹ = 115242503251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115242505219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237124254 + ... + 237124739.

It is an arithmetic number, because the mean of its divisors is an integer number (14385552818).

Almost surely, 2^115242505299 is an apocalyptic number.

115242505299 is a deficient number, since it is larger than the sum of its proper divisors (57384128517).

115242505299 is an frugal number, since it uses more digits than its factorization.

115242505299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474249008 (or 474248996 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 115242505299 in words is "one hundred fifteen billion, two hundred forty-two million, five hundred five thousand, two hundred ninety-nine".