115733198779 has 4 divisors (see below), whose sum is σ = 126254398680. Its totient is φ = 105211998880.

The previous prime is 115733198759. The next prime is 115733198813. The reversal of 115733198779 is 977891337511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115733198779 - 2⁵ = 115733198747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115733198729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260599934 + ... + 5260599955.

It is an arithmetic number, because the mean of its divisors is an integer number (31563599670).

Almost surely, 2^115733198779 is an apocalyptic number.

115733198779 is a deficient number, since it is larger than the sum of its proper divisors (10521199901).

115733198779 is a wasteful number, since it uses less digits than its factorization.

115733198779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521199900.

The product of its digits is 10001880, while the sum is 61.

The spelling of 115733198779 in words is "one hundred fifteen billion, seven hundred thirty-three million, one hundred ninety-eight thousand, seven hundred seventy-nine".