196356881711 has 2 divisors, whose sum is σ = 196356881712. Its totient is φ = 196356881710.

The previous prime is 196356881621. The next prime is 196356881723. The reversal of 196356881711 is 117188653691.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196356881711 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196356881911) 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, 98178440855 + 98178440856.

It is an arithmetic number, because the mean of its divisors is an integer number (98178440856).

Almost surely, 2^196356881711 is an apocalyptic number.

196356881711 is a deficient number, since it is larger than the sum of its proper divisors (1).

196356881711 is an equidigital number, since it uses as much as digits as its factorization.

196356881711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 56.

The spelling of 196356881711 in words is "one hundred ninety-six billion, three hundred fifty-six million, eight hundred eighty-one thousand, seven hundred eleven".