11152889 has 4 divisors (see below), whose sum is σ = 12166800. Its totient is φ = 10138980.

The previous prime is 11152871. The next prime is 11152909. The reversal of 11152889 is 98825111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11152889 - 2⁸ = 11152633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11152859) 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, 506939 + ... + 506960.

It is an arithmetic number, because the mean of its divisors is an integer number (3041700).

Almost surely, 2^11152889 is an apocalyptic number.

It is an amenable number.

11152889 is a deficient number, since it is larger than the sum of its proper divisors (1013911).

11152889 is a wasteful number, since it uses less digits than its factorization.

11152889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013910.

The product of its digits is 5760, while the sum is 35.

The square root of 11152889 is about 3339.5941370173. The cubic root of 11152889 is about 223.4236418516.

It can be divided in two parts, 1115 and 2889, that added together give a palindrome (4004).

The spelling of 11152889 in words is "eleven million, one hundred fifty-two thousand, eight hundred eighty-nine".