15135966696743 has 2 divisors, whose sum is σ = 15135966696744. Its totient is φ = 15135966696742.

The previous prime is 15135966696707. The next prime is 15135966696769. The reversal of 15135966696743 is 34769666953151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15135966696743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15135966696143) 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, 7567983348371 + 7567983348372.

It is an arithmetic number, because the mean of its divisors is an integer number (7567983348372).

Almost surely, 2^{15135966696743} is an apocalyptic number.

15135966696743 is a deficient number, since it is larger than the sum of its proper divisors (1).

15135966696743 is an equidigital number, since it uses as much as digits as its factorization.

15135966696743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661348800, while the sum is 71.

The spelling of 15135966696743 in words is "fifteen trillion, one hundred thirty-five billion, nine hundred sixty-six million, six hundred ninety-six thousand, seven hundred forty-three".