11751889 has 2 divisors, whose sum is σ = 11751890. Its totient is φ = 11751888.

The previous prime is 11751881. The next prime is 11751893. The reversal of 11751889 is 98815711.

11751889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10452289 + 1299600 = 3233^2 + 1140^2 .

It is an emirp because it is prime and its reverse (98815711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11751889 - 2³ = 11751881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11751881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875944 + 5875945.

It is an arithmetic number, because the mean of its divisors is an integer number (5875945).

Almost surely, 2^11751889 is an apocalyptic number.

It is an amenable number.

11751889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11751889 is an equidigital number, since it uses as much as digits as its factorization.

11751889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 40.

The square root of 11751889 is about 3428.1028280960. The cubic root of 11751889 is about 227.3539794766.

The spelling of 11751889 in words is "eleven million, seven hundred fifty-one thousand, eight hundred eighty-nine".