920055111 has 4 divisors (see below), whose sum is σ = 1226740152. Its totient is φ = 613370072.

The previous prime is 920055109. The next prime is 920055119. The reversal of 920055111 is 111550029.

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 920055111 - 2¹ = 920055109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920055119) 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, 153342516 + ... + 153342521.

It is an arithmetic number, because the mean of its divisors is an integer number (306685038).

Almost surely, 2^920055111 is an apocalyptic number.

920055111 is a deficient number, since it is larger than the sum of its proper divisors (306685041).

920055111 is a wasteful number, since it uses less digits than its factorization.

920055111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306685040.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 920055111 is about 30332.4102405331. The cubic root of 920055111 is about 972.6082462451.

The spelling of 920055111 in words is "nine hundred twenty million, fifty-five thousand, one hundred eleven".