15012788797 has 2 divisors, whose sum is σ = 15012788798. Its totient is φ = 15012788796.

The previous prime is 15012788753. The next prime is 15012788809. The reversal of 15012788797 is 79788721051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8862151321 + 6150637476 = 94139^2 + 78426^2 .

It is a cyclic number.

It is not a de Polignac number, because 15012788797 - 2⁷ = 15012788669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15012786797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7506394398 + 7506394399.

It is an arithmetic number, because the mean of its divisors is an integer number (7506394399).

Almost surely, 2^15012788797 is an apocalyptic number.

It is an amenable number.

15012788797 is a deficient number, since it is larger than the sum of its proper divisors (1).

15012788797 is an equidigital number, since it uses as much as digits as its factorization.

15012788797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 55.

The spelling of 15012788797 in words is "fifteen billion, twelve million, seven hundred eighty-eight thousand, seven hundred ninety-seven".