12155002589 has 2 divisors, whose sum is σ = 12155002590. Its totient is φ = 12155002588.

The previous prime is 12155002523. The next prime is 12155002591. The reversal of 12155002589 is 98520055121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10781707225 + 1373295364 = 103835^2 + 37058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12155002589 is a prime.

Together with 12155002591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12155002889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6077501294 + 6077501295.

It is an arithmetic number, because the mean of its divisors is an integer number (6077501295).

Almost surely, 2^12155002589 is an apocalyptic number.

It is an amenable number.

12155002589 is a deficient number, since it is larger than the sum of its proper divisors (1).

12155002589 is an equidigital number, since it uses as much as digits as its factorization.

12155002589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 12155002589 in words is "twelve billion, one hundred fifty-five million, two thousand, five hundred eighty-nine".