11110889 has 2 divisors, whose sum is σ = 11110890. Its totient is φ = 11110888.

The previous prime is 11110859. The next prime is 11110901. The reversal of 11110889 is 98801111.

11110889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5784025 + 5326864 = 2405^2 + 2308^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110889 - 2¹² = 11106793 is a prime.

It is a Chen prime.

It is equal to p₇₃₃₃₉₄ and since 11110889 and 733394 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11110829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555444 + 5555445.

It is an arithmetic number, because the mean of its divisors is an integer number (5555445).

Almost surely, 2^11110889 is an apocalyptic number.

It is an amenable number.

11110889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110889 is an equidigital number, since it uses as much as digits as its factorization.

11110889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 11110889 is about 3333.3000165002. The cubic root of 11110889 is about 223.1428297992.

It can be divided in two parts, 11110 and 889, that multiplied together give a triangular number (9876790 = T₄₄₄₄).

The spelling of 11110889 in words is "eleven million, one hundred ten thousand, eight hundred eighty-nine".