115820778244 has 24 divisors (see below), whose sum is σ = 205751685440. Its totient is φ = 57034920096.

The previous prime is 115820778209. The next prime is 115820778319. The reversal of 115820778244 is 442877028511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428934 + ... + 1507810.

Almost surely, 2^115820778244 is an apocalyptic number.

It is an amenable number.

115820778244 is a deficient number, since it is larger than the sum of its proper divisors (89930907196).

115820778244 is a wasteful number, since it uses less digits than its factorization.

115820778244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84427 (or 84425 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The spelling of 115820778244 in words is "one hundred fifteen billion, eight hundred twenty million, seven hundred seventy-eight thousand, two hundred forty-four".