115042783986 has 24 divisors (see below), whose sum is σ = 268433163180. Its totient is φ = 35397779616.

The previous prime is 115042783967. The next prime is 115042783987. The reversal of 115042783986 is 689387240511.

115042783986 is a `hidden beast` number, since 1 + 1 + 50 + 427 + 83 + 98 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 92222149761 + 22820634225 = 303681^2 + 151065^2 .

It is not an unprimeable number, because it can be changed into a prime (115042783987) 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, 245817681 + ... + 245818148.

It is a 1-persistent number, because it is pandigital, but 2⋅115042783986 = 230085567972 is not.

Almost surely, 2^115042783986 is an apocalyptic number.

115042783986 is an abundant number, since it is smaller than the sum of its proper divisors (153390379194).

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

115042783986 is a wasteful number, since it uses less digits than its factorization.

115042783986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491635850 (or 491635847 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 115042783986 in words is "one hundred fifteen billion, forty-two million, seven hundred eighty-three thousand, nine hundred eighty-six".