12615750073 has 2 divisors, whose sum is σ = 12615750074. Its totient is φ = 12615750072.

The previous prime is 12615750067. The next prime is 12615750139. The reversal of 12615750073 is 37005751621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8733463209 + 3882286864 = 93453^2 + 62308^2 .

It is a cyclic number.

It is not a de Polignac number, because 12615750073 - 2¹⁷ = 12615619001 is a prime.

It is not a weakly prime, because it can be changed into another prime (12615750373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6307875036 + 6307875037.

It is an arithmetic number, because the mean of its divisors is an integer number (6307875037).

Almost surely, 2^12615750073 is an apocalyptic number.

It is an amenable number.

12615750073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12615750073 is an equidigital number, since it uses as much as digits as its factorization.

12615750073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 12615750073 in words is "twelve billion, six hundred fifteen million, seven hundred fifty thousand, seventy-three".