15122543089 has 2 divisors, whose sum is σ = 15122543090. Its totient is φ = 15122543088.

The previous prime is 15122543083. The next prime is 15122543131. The reversal of 15122543089 is 98034522151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8429994225 + 6692548864 = 91815^2 + 81808^2 .

It is a cyclic number.

It is not a de Polignac number, because 15122543089 - 2¹¹ = 15122541041 is a prime.

It is not a weakly prime, because it can be changed into another prime (15122543083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7561271544 + 7561271545.

It is an arithmetic number, because the mean of its divisors is an integer number (7561271545).

Almost surely, 2^15122543089 is an apocalyptic number.

It is an amenable number.

15122543089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15122543089 is an equidigital number, since it uses as much as digits as its factorization.

15122543089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 15122543089 in words is "fifteen billion, one hundred twenty-two million, five hundred forty-three thousand, eighty-nine".