10891112 has 8 divisors (see below), whose sum is σ = 20420850. Its totient is φ = 5445552.

The previous prime is 10891099. The next prime is 10891147. The reversal of 10891112 is 21119801.

10891112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 1069156 = 3134^2 + 1034^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680687 + ... + 680702.

Almost surely, 2^10891112 is an apocalyptic number.

It is an amenable number.

10891112 is a deficient number, since it is larger than the sum of its proper divisors (9529738).

10891112 is a wasteful number, since it uses less digits than its factorization.

10891112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361395 (or 1361391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 10891112 is about 3300.1684805476. The cubic root of 10891112 is about 221.6617417138.

The spelling of 10891112 in words is "ten million, eight hundred ninety-one thousand, one hundred twelve".