345056111 has 4 divisors (see below), whose sum is σ = 345391824. Its totient is φ = 344720400.

The previous prime is 345056087. The next prime is 345056113. The reversal of 345056111 is 111650543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345056111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345056113) 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, 166310 + ... + 168371.

It is an arithmetic number, because the mean of its divisors is an integer number (86347956).

Almost surely, 2^345056111 is an apocalyptic number.

345056111 is a deficient number, since it is larger than the sum of its proper divisors (335713).

345056111 is a wasteful number, since it uses less digits than its factorization.

345056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335712.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 345056111 is about 18575.6860169416. The cubic root of 345056111 is about 701.3959293744.

The spelling of 345056111 in words is "three hundred forty-five million, fifty-six thousand, one hundred eleven".