15015150250129 has 2 divisors, whose sum is σ = 15015150250130. Its totient is φ = 15015150250128.

The previous prime is 15015150250127. The next prime is 15015150250211. The reversal of 15015150250129 is 92105205151051.

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., 8638590965904 + 6376559284225 = 2939148^2 + 2525185^2 .

It is a cyclic number.

It is not a de Polignac number, because 15015150250129 - 2¹ = 15015150250127 is a prime.

Together with 15015150250127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15015150250127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7507575125064 + 7507575125065.

It is an arithmetic number, because the mean of its divisors is an integer number (7507575125065).

Almost surely, 2^{15015150250129} is an apocalyptic number.

It is an amenable number.

15015150250129 is a deficient number, since it is larger than the sum of its proper divisors (1).

15015150250129 is an equidigital number, since it uses as much as digits as its factorization.

15015150250129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 15015150250129 in words is "fifteen trillion, fifteen billion, one hundred fifty million, two hundred fifty thousand, one hundred twenty-nine".