99886981115711 has 4 divisors (see below), whose sum is σ = 100315680605712. Its totient is φ = 99458281625712.

The previous prime is 99886981115689. The next prime is 99886981115737. The reversal of 99886981115711 is 11751118968899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99886981115711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99886981105711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214349744651 + ... + 214349745116.

It is an arithmetic number, because the mean of its divisors is an integer number (25078920151428).

Almost surely, 2^{99886981115711} is an apocalyptic number.

99886981115711 is a deficient number, since it is larger than the sum of its proper divisors (428699490001).

99886981115711 is a wasteful number, since it uses less digits than its factorization.

99886981115711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428699490000.

The product of its digits is 78382080, while the sum is 74.

The spelling of 99886981115711 in words is "ninety-nine trillion, eight hundred eighty-six billion, nine hundred eighty-one million, one hundred fifteen thousand, seven hundred eleven".