859999010111 has 4 divisors (see below), whose sum is σ = 860010428424. Its totient is φ = 859987591800.

The previous prime is 859999010089. The next prime is 859999010137. The reversal of 859999010111 is 111010999958.

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

It is a cyclic number.

It is not a de Polignac number, because 859999010111 - 2¹⁸ = 859998747967 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 (859999010141) 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, 5595425 + ... + 5747066.

It is an arithmetic number, because the mean of its divisors is an integer number (215002607106).

Almost surely, 2^859999010111 is an apocalyptic number.

859999010111 is a deficient number, since it is larger than the sum of its proper divisors (11418313).

859999010111 is a wasteful number, since it uses less digits than its factorization.

859999010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418312.

The product of its (nonzero) digits is 262440, while the sum is 53.

The spelling of 859999010111 in words is "eight hundred fifty-nine billion, nine hundred ninety-nine million, ten thousand, one hundred eleven".