115405304202 has 40 divisors (see below), whose sum is σ = 273804747876. Its totient is φ = 36205584768.

The previous prime is 115405304191. The next prime is 115405304227. The reversal of 115405304202 is 202403504511.

115405304202 is a `hidden beast` number, since 1 + 154 + 0 + 5 + 304 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114935238441 + 470065761 = 339021^2 + 21681^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20949553 + ... + 20955060.

Almost surely, 2^115405304202 is an apocalyptic number.

115405304202 is an abundant number, since it is smaller than the sum of its proper divisors (158399443674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115405304202 is a wasteful number, since it uses less digits than its factorization.

115405304202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41904644 (or 41904635 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 115405304202 its reverse (202403504511), we get a palindrome (317808808713).

The spelling of 115405304202 in words is "one hundred fifteen billion, four hundred five million, three hundred four thousand, two hundred two".