11577089 has 4 divisors (see below), whose sum is σ = 11716656. Its totient is φ = 11437524.

The previous prime is 11577077. The next prime is 11577103. The reversal of 11577089 is 98077511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98077511 = 7 ⋅14011073.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11577089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11577589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69659 + ... + 69824.

It is an arithmetic number, because the mean of its divisors is an integer number (2929164).

Almost surely, 2^11577089 is an apocalyptic number.

It is an amenable number.

11577089 is a deficient number, since it is larger than the sum of its proper divisors (139567).

11577089 is an equidigital number, since it uses as much as digits as its factorization.

11577089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139566.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 11577089 is about 3402.5121601546. The cubic root of 11577089 is about 226.2211073877.

It can be divided in two parts, 115770 and 89, that multiplied together give a triangular number (10303530 = T₄₅₃₉).

The spelling of 11577089 in words is "eleven million, five hundred seventy-seven thousand, eighty-nine".