15983786201 has 2 divisors, whose sum is σ = 15983786202. Its totient is φ = 15983786200.

The previous prime is 15983786149. The next prime is 15983786207. The reversal of 15983786201 is 10268738951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11702046976 + 4281739225 = 108176^2 + 65435^2 .

It is a cyclic number.

It is not a de Polignac number, because 15983786201 - 2¹⁰ = 15983785177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15983786201.

It is not a weakly prime, because it can be changed into another prime (15983786207) 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, 7991893100 + 7991893101.

It is an arithmetic number, because the mean of its divisors is an integer number (7991893101).

Almost surely, 2^15983786201 is an apocalyptic number.

It is an amenable number.

15983786201 is a deficient number, since it is larger than the sum of its proper divisors (1).

15983786201 is an equidigital number, since it uses as much as digits as its factorization.

15983786201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 15983786201 in words is "fifteen billion, nine hundred eighty-three million, seven hundred eighty-six thousand, two hundred one".