115605503997 has 16 divisors (see below), whose sum is σ = 159786153792. Its totient is φ = 74286529920.

The previous prime is 115605503989. The next prime is 115605504031. The reversal of 115605503997 is 799305506511.

It is not a de Polignac number, because 115605503997 - 2³ = 115605503989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115605503977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4854904 + ... + 4878657.

It is an arithmetic number, because the mean of its divisors is an integer number (9986634612).

Almost surely, 2^115605503997 is an apocalyptic number.

It is an amenable number.

115605503997 is a deficient number, since it is larger than the sum of its proper divisors (44180649795).

115605503997 is a wasteful number, since it uses less digits than its factorization.

115605503997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733708.

The product of its (nonzero) digits is 1275750, while the sum is 51.

The spelling of 115605503997 in words is "one hundred fifteen billion, six hundred five million, five hundred three thousand, nine hundred ninety-seven".