11389161 has 16 divisors (see below), whose sum is σ = 17449344. Its totient is φ = 6472704.

The previous prime is 11389153. The next prime is 11389207. The reversal of 11389161 is 16198311.

It is not a de Polignac number, because 11389161 - 2³ = 11389153 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11389661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2761 + ... + 5513.

It is an arithmetic number, because the mean of its divisors is an integer number (1090584).

Almost surely, 2^11389161 is an apocalyptic number.

It is an amenable number.

11389161 is a deficient number, since it is larger than the sum of its proper divisors (6060183).

11389161 is a wasteful number, since it uses less digits than its factorization.

11389161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960.

The product of its digits is 1296, while the sum is 30.

The square root of 11389161 is about 3374.7831041417. The cubic root of 11389161 is about 224.9903600808.

The spelling of 11389161 in words is "eleven million, three hundred eighty-nine thousand, one hundred sixty-one".