890000111111 has 4 divisors (see below), whose sum is σ = 890863351824. Its totient is φ = 889136870400.

The previous prime is 890000111081. The next prime is 890000111141. The reversal of 890000111111 is 111111000098.

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

It is an interprime number because it is at equal distance from previous prime (890000111081) and next prime (890000111141).

It is a cyclic number.

It is not a de Polignac number, because 890000111111 - 2²⁶ = 889933002247 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 (890000111141) 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, 431618810 + ... + 431620871.

It is an arithmetic number, because the mean of its divisors is an integer number (222715837956).

Almost surely, 2^890000111111 is an apocalyptic number.

890000111111 is a deficient number, since it is larger than the sum of its proper divisors (863240713).

890000111111 is a wasteful number, since it uses less digits than its factorization.

890000111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863240712.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 890000111111 in words is "eight hundred ninety billion, one hundred eleven thousand, one hundred eleven".