115940249999 has 24 divisors (see below), whose sum is σ = 141996006000. Its totient is φ = 94128168960.

The previous prime is 115940249987. The next prime is 115940250059. The reversal of 115940249999 is 999942049511.

It is a Cunningham number, because it is equal to 340500²-1.

It is not a de Polignac number, because 115940249999 - 2⁴ = 115940249983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115940249599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6460559 + ... + 6478479.

It is an arithmetic number, because the mean of its divisors is an integer number (5916500250).

Almost surely, 2^115940249999 is an apocalyptic number.

115940249999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115940249999 is a deficient number, since it is larger than the sum of its proper divisors (26055756001).

115940249999 is a wasteful number, since it uses less digits than its factorization.

115940249999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24903 (or 24896 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 62.

The spelling of 115940249999 in words is "one hundred fifteen billion, nine hundred forty million, two hundred forty-nine thousand, nine hundred ninety-nine".