83559695551 has 2 divisors, whose sum is σ = 83559695552. Its totient is φ = 83559695550.

The previous prime is 83559695507. The next prime is 83559695567. The reversal of 83559695551 is 15559695538.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83559695551 - 2⁹ = 83559695039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83559695551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83559695951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41779847775 + 41779847776.

It is an arithmetic number, because the mean of its divisors is an integer number (41779847776).

Almost surely, 2^83559695551 is an apocalyptic number.

83559695551 is a deficient number, since it is larger than the sum of its proper divisors (1).

83559695551 is an equidigital number, since it uses as much as digits as its factorization.

83559695551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36450000, while the sum is 61.

The spelling of 83559695551 in words is "eighty-three billion, five hundred fifty-nine million, six hundred ninety-five thousand, five hundred fifty-one".