11523241889 has 2 divisors, whose sum is σ = 11523241890. Its totient is φ = 11523241888.

The previous prime is 11523241883. The next prime is 11523241897. The reversal of 11523241889 is 98814232511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11488195489 + 35046400 = 107183^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 11523241889 - 2³² = 7228274593 is a prime.

It is not a weakly prime, because it can be changed into another prime (11523241883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761620944 + 5761620945.

It is an arithmetic number, because the mean of its divisors is an integer number (5761620945).

Almost surely, 2^11523241889 is an apocalyptic number.

It is an amenable number.

11523241889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523241889 is an equidigital number, since it uses as much as digits as its factorization.

11523241889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 44.

The spelling of 11523241889 in words is "eleven billion, five hundred twenty-three million, two hundred forty-one thousand, eight hundred eighty-nine".