78181114333183 has 2 divisors, whose sum is σ = 78181114333184. Its totient is φ = 78181114333182.

The previous prime is 78181114333177. The next prime is 78181114333213. The reversal of 78181114333183 is 38133341118187.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78181114333183 - 2²⁹ = 78180577462271 is a prime.

It is a super-2 number, since 2×78181114333183² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78181114333183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78181114133183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39090557166591 + 39090557166592.

It is an arithmetic number, because the mean of its divisors is an integer number (39090557166592).

Almost surely, 2^{78181114333183} is an apocalyptic number.

78181114333183 is a deficient number, since it is larger than the sum of its proper divisors (1).

78181114333183 is an equidigital number, since it uses as much as digits as its factorization.

78181114333183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 52.

The spelling of 78181114333183 in words is "seventy-eight trillion, one hundred eighty-one billion, one hundred fourteen million, three hundred thirty-three thousand, one hundred eighty-three".