83251868911 has 2 divisors, whose sum is σ = 83251868912. Its totient is φ = 83251868910.

The previous prime is 83251868899. The next prime is 83251868927. The reversal of 83251868911 is 11986815238.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83251868911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83251860911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41625934455 + 41625934456.

It is an arithmetic number, because the mean of its divisors is an integer number (41625934456).

Almost surely, 2^83251868911 is an apocalyptic number.

83251868911 is a deficient number, since it is larger than the sum of its proper divisors (1).

83251868911 is an equidigital number, since it uses as much as digits as its factorization.

83251868911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 52.

The spelling of 83251868911 in words is "eighty-three billion, two hundred fifty-one million, eight hundred sixty-eight thousand, nine hundred eleven".