15964196141 has 2 divisors, whose sum is σ = 15964196142. Its totient is φ = 15964196140.

The previous prime is 15964196119. The next prime is 15964196191. The reversal of 15964196141 is 14169146951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15443032900 + 521163241 = 124270^2 + 22829^2 .

It is a cyclic number.

It is not a de Polignac number, because 15964196141 - 2³⁰ = 14890454317 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 (15964196191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7982098070 + 7982098071.

It is an arithmetic number, because the mean of its divisors is an integer number (7982098071).

Almost surely, 2^15964196141 is an apocalyptic number.

It is an amenable number.

15964196141 is a deficient number, since it is larger than the sum of its proper divisors (1).

15964196141 is an equidigital number, since it uses as much as digits as its factorization.

15964196141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The spelling of 15964196141 in words is "fifteen billion, nine hundred sixty-four million, one hundred ninety-six thousand, one hundred forty-one".