859999101111 has 12 divisors (see below), whose sum is σ = 1244267424192. Its totient is φ = 572388195456.

The previous prime is 859999101107. The next prime is 859999101119. The reversal of 859999101111 is 111101999958.

It is not a de Polignac number, because 859999101111 - 2² = 859999101107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859999101119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78705786 + ... + 78716711.

It is an arithmetic number, because the mean of its divisors is an integer number (103688952016).

Almost surely, 2^859999101111 is an apocalyptic number.

859999101111 is a deficient number, since it is larger than the sum of its proper divisors (384268323081).

859999101111 is a wasteful number, since it uses less digits than its factorization.

859999101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157423110 (or 157423107 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 54.

The spelling of 859999101111 in words is "eight hundred fifty-nine billion, nine hundred ninety-nine million, one hundred one thousand, one hundred eleven".