80111268347 has 4 divisors (see below), whose sum is σ = 87394110936. Its totient is φ = 72828425760.

The previous prime is 80111268343. The next prime is 80111268383. The reversal of 80111268347 is 74386211108.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80111268347 - 2² = 80111268343 is a prime.

It is a super-2 number, since 2×80111268347² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80111268343) 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 in 3 ways as a sum of consecutive naturals, for example, 3641421278 + ... + 3641421299.

It is an arithmetic number, because the mean of its divisors is an integer number (21848527734).

Almost surely, 2^80111268347 is an apocalyptic number.

80111268347 is a deficient number, since it is larger than the sum of its proper divisors (7282842589).

80111268347 is a wasteful number, since it uses less digits than its factorization.

80111268347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282842588.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 80111268347 in words is "eighty billion, one hundred eleven million, two hundred sixty-eight thousand, three hundred forty-seven".