115279211699 has 16 divisors (see below), whose sum is σ = 121467237120. Its totient is φ = 109252540320.

The previous prime is 115279211693. The next prime is 115279211701. The reversal of 115279211699 is 996112972511.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115279211699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115279211699.

It is not an unprimeable number, because it can be changed into a prime (115279211693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344072 + ... + 590714.

It is an arithmetic number, because the mean of its divisors is an integer number (7591702320).

Almost surely, 2^115279211699 is an apocalyptic number.

115279211699 is a deficient number, since it is larger than the sum of its proper divisors (6188025421).

115279211699 is a wasteful number, since it uses less digits than its factorization.

115279211699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246970.

The product of its digits is 612360, while the sum is 53.

The spelling of 115279211699 in words is "one hundred fifteen billion, two hundred seventy-nine million, two hundred eleven thousand, six hundred ninety-nine".