2045206611 has 16 divisors (see below), whose sum is σ = 3462784000. Its totient is φ = 1168689384.

The previous prime is 2045206609. The next prime is 2045206637. The reversal of 2045206611 is 1166025402.

2045206611 is a `hidden beast` number, since 2 + 0 + 45 + 2 + 0 + 6 + 611 = 666.

It is not a de Polignac number, because 2045206611 - 2¹ = 2045206609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045206711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5410411 + ... + 5410788.

It is an arithmetic number, because the mean of its divisors is an integer number (216424000).

Almost surely, 2^2045206611 is an apocalyptic number.

2045206611 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2045206611 is a deficient number, since it is larger than the sum of its proper divisors (1417577389).

2045206611 is a wasteful number, since it uses less digits than its factorization.

2045206611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821215 (or 10821209 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2045206611 is about 45223.9605850704. The cubic root of 2045206611 is about 1269.3432053503.

The spelling of 2045206611 in words is "two billion, forty-five million, two hundred six thousand, six hundred eleven".