15042223129 has 2 divisors, whose sum is σ = 15042223130. Its totient is φ = 15042223128.

The previous prime is 15042223117. The next prime is 15042223159. The reversal of 15042223129 is 92132224051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12847769104 + 2194454025 = 113348^2 + 46845^2 .

It is a cyclic number.

It is not a de Polignac number, because 15042223129 - 2²¹ = 15040125977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15042223129.

It is not a weakly prime, because it can be changed into another prime (15042223159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7521111564 + 7521111565.

It is an arithmetic number, because the mean of its divisors is an integer number (7521111565).

Almost surely, 2^15042223129 is an apocalyptic number.

It is an amenable number.

15042223129 is a deficient number, since it is larger than the sum of its proper divisors (1).

15042223129 is an equidigital number, since it uses as much as digits as its factorization.

15042223129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 15042223129 in words is "fifteen billion, forty-two million, two hundred twenty-three thousand, one hundred twenty-nine".