115039941987 has 18 divisors (see below), whose sum is σ = 162954225868. Its totient is φ = 72175658048.

The previous prime is 115039941967. The next prime is 115039941997. The reversal of 115039941987 is 789149930511.

It is a happy number.

It is not a de Polignac number, because 115039941987 - 2²³ = 115031553379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115039941937) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 9981214 + ... + 9992732.

Almost surely, 2^115039941987 is an apocalyptic number.

115039941987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

115039941987 is a deficient number, since it is larger than the sum of its proper divisors (47914283881).

115039941987 is an frugal number, since it uses more digits than its factorization.

115039941987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23075 (or 11539 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 57.

The spelling of 115039941987 in words is "one hundred fifteen billion, thirty-nine million, nine hundred forty-one thousand, nine hundred eighty-seven".