15365736230497 has 2 divisors, whose sum is σ = 15365736230498. Its totient is φ = 15365736230496.

The previous prime is 15365736230483. The next prime is 15365736230501. The reversal of 15365736230497 is 79403263756351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10435542307281 + 4930193923216 = 3230409^2 + 2220404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15365736230497 is a prime.

It is a super-2 number, since 2×15365736230497² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15365736230407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7682868115248 + 7682868115249.

It is an arithmetic number, because the mean of its divisors is an integer number (7682868115249).

Almost surely, 2^{15365736230497} is an apocalyptic number.

It is an amenable number.

15365736230497 is a deficient number, since it is larger than the sum of its proper divisors (1).

15365736230497 is an equidigital number, since it uses as much as digits as its factorization.

15365736230497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85730400, while the sum is 61.

The spelling of 15365736230497 in words is "fifteen trillion, three hundred sixty-five billion, seven hundred thirty-six million, two hundred thirty thousand, four hundred ninety-seven".