15364796719081 has 2 divisors, whose sum is σ = 15364796719082. Its totient is φ = 15364796719080.

The previous prime is 15364796719061. The next prime is 15364796719147. The reversal of 15364796719081 is 18091769746351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14141992021056 + 1222804698025 = 3760584^2 + 1105805^2 .

It is a cyclic number.

It is not a de Polignac number, because 15364796719081 - 2⁹ = 15364796718569 is a prime.

It is a super-2 number, since 2×15364796719081² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15364796718998 and 15364796719016.

It is not a weakly prime, because it can be changed into another prime (15364796719021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7682398359540 + 7682398359541.

It is an arithmetic number, because the mean of its divisors is an integer number (7682398359541).

Almost surely, 2^{15364796719081} is an apocalyptic number.

It is an amenable number.

15364796719081 is a deficient number, since it is larger than the sum of its proper divisors (1).

15364796719081 is an equidigital number, since it uses as much as digits as its factorization.

15364796719081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 15364796719081 in words is "fifteen trillion, three hundred sixty-four billion, seven hundred ninety-six million, seven hundred nineteen thousand, eighty-one".