15250122049 has 2 divisors, whose sum is σ = 15250122050. Its totient is φ = 15250122048.

The previous prime is 15250121993. The next prime is 15250122067. The reversal of 15250122049 is 94022105251.

15250122049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10172134449 + 5077987600 = 100857^2 + 71260^2 .

It is a cyclic number.

It is not a de Polignac number, because 15250122049 - 2⁷ = 15250121921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15250122049.

It is not a weakly prime, because it can be changed into another prime (15250122079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7625061024 + 7625061025.

It is an arithmetic number, because the mean of its divisors is an integer number (7625061025).

Almost surely, 2^15250122049 is an apocalyptic number.

It is an amenable number.

15250122049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15250122049 is an equidigital number, since it uses as much as digits as its factorization.

15250122049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 15250122049 in words is "fifteen billion, two hundred fifty million, one hundred twenty-two thousand, forty-nine".