11889057 has 16 divisors (see below), whose sum is σ = 16365888. Its totient is φ = 7672320.

The previous prime is 11889049. The next prime is 11889067. The reversal of 11889057 is 75098811.

11889057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11889057 - 2³ = 11889049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11889037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19753 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (1022868).

Almost surely, 2^11889057 is an apocalyptic number.

It is an amenable number.

11889057 is a deficient number, since it is larger than the sum of its proper divisors (4476831).

11889057 is a wasteful number, since it uses less digits than its factorization.

11889057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 11889057 is about 3448.0511887152. The cubic root of 11889057 is about 228.2351183380.

The spelling of 11889057 in words is "eleven million, eight hundred eighty-nine thousand, fifty-seven".