15113995973 has 2 divisors, whose sum is σ = 15113995974. Its totient is φ = 15113995972.

The previous prime is 15113995937. The next prime is 15113996017. The reversal of 15113995973 is 37959931151.

15113995973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (15113995937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15099985924 + 14010049 = 122882^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 15113995973 - 2⁶ = 15113995909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15113995913) 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, 7556997986 + 7556997987.

It is an arithmetic number, because the mean of its divisors is an integer number (7556997987).

Almost surely, 2^15113995973 is an apocalyptic number.

It is an amenable number.

15113995973 is a deficient number, since it is larger than the sum of its proper divisors (1).

15113995973 is an equidigital number, since it uses as much as digits as its factorization.

15113995973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1148175, while the sum is 53.

The spelling of 15113995973 in words is "fifteen billion, one hundred thirteen million, nine hundred ninety-five thousand, nine hundred seventy-three".