2045552111 has 4 divisors (see below), whose sum is σ = 2045644224. Its totient is φ = 2045460000.

The previous prime is 2045552107. The next prime is 2045552123. The reversal of 2045552111 is 1112555402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2045552111 - 2² = 2045552107 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 (2045552191) 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, 9986 + ... + 64736.

It is an arithmetic number, because the mean of its divisors is an integer number (511411056).

Almost surely, 2^2045552111 is an apocalyptic number.

2045552111 is a deficient number, since it is larger than the sum of its proper divisors (92113).

2045552111 is an equidigital number, since it uses as much as digits as its factorization.

2045552111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92112.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2045552111 is about 45227.7803014917. The cubic root of 2045552111 is about 1269.4146787134.

The spelling of 2045552111 in words is "two billion, forty-five million, five hundred fifty-two thousand, one hundred eleven".