80355111 has 4 divisors (see below), whose sum is σ = 107140152. Its totient is φ = 53570072.

The previous prime is 80355097. The next prime is 80355133. The reversal of 80355111 is 11155308.

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 80355111 - 2²⁵ = 46800679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80355511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13392516 + ... + 13392521.

It is an arithmetic number, because the mean of its divisors is an integer number (26785038).

Almost surely, 2^80355111 is an apocalyptic number.

80355111 is a deficient number, since it is larger than the sum of its proper divisors (26785041).

80355111 is a wasteful number, since it uses less digits than its factorization.

80355111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26785040.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 80355111 is about 8964.1012377148. The cubic root of 80355111 is about 431.5235498650.

The spelling of 80355111 in words is "eighty million, three hundred fifty-five thousand, one hundred eleven".