115577747245 has 64 divisors (see below), whose sum is σ = 146478689280. Its totient is φ = 87468595200.

The previous prime is 115577747209. The next prime is 115577747267. The reversal of 115577747245 is 542747775511.

It is not a de Polignac number, because 115577747245 - 2⁹ = 115577746733 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 417248047 + ... + 417248323.

It is an arithmetic number, because the mean of its divisors is an integer number (2288729520).

Almost surely, 2^115577747245 is an apocalyptic number.

It is an amenable number.

115577747245 is a deficient number, since it is larger than the sum of its proper divisors (30900942035).

115577747245 is a wasteful number, since it uses less digits than its factorization.

115577747245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its digits is 9604000, while the sum is 55.

The spelling of 115577747245 in words is "one hundred fifteen billion, five hundred seventy-seven million, seven hundred forty-seven thousand, two hundred forty-five".