15005231089 has 2 divisors, whose sum is σ = 15005231090. Its totient is φ = 15005231088.

The previous prime is 15005231063. The next prime is 15005231107. The reversal of 15005231089 is 98013250051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13469923600 + 1535307489 = 116060^2 + 39183^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005231089 - 2⁹ = 15005230577 is a prime.

It is not a weakly prime, because it can be changed into another prime (15005231039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7502615544 + 7502615545.

It is an arithmetic number, because the mean of its divisors is an integer number (7502615545).

Almost surely, 2^15005231089 is an apocalyptic number.

It is an amenable number.

15005231089 is a deficient number, since it is larger than the sum of its proper divisors (1).

15005231089 is an equidigital number, since it uses as much as digits as its factorization.

15005231089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 15005231089 in words is "fifteen billion, five million, two hundred thirty-one thousand, eighty-nine".