15091089 has 16 divisors (see below), whose sum is σ = 22132992. Its totient is φ = 9088128.

The previous prime is 15091081. The next prime is 15091099. The reversal of 15091089 is 98019051.

It is not a de Polignac number, because 15091089 - 2³ = 15091081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15091081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2284 + ... + 5949.

It is an arithmetic number, because the mean of its divisors is an integer number (1383312).

Almost surely, 2^15091089 is an apocalyptic number.

It is an amenable number.

15091089 is a deficient number, since it is larger than the sum of its proper divisors (7041903).

15091089 is a wasteful number, since it uses less digits than its factorization.

15091089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8296.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 15091089 is about 3884.7250867983. The cubic root of 15091089 is about 247.1194109743.

The spelling of 15091089 in words is "fifteen million, ninety-one thousand, eighty-nine".