2011342445 has 12 divisors (see below), whose sum is σ = 2807670204. Its totient is φ = 1379206080.

The previous prime is 2011342427. The next prime is 2011342477. The reversal of 2011342445 is 5442431102.

It can be written as a sum of positive squares in 2 ways, for example, as 583560649 + 1427781796 = 24157^2 + 37786^2 .

It is not a de Polignac number, because 2011342445 - 2⁸ = 2011342189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4104536 + ... + 4105025.

It is an arithmetic number, because the mean of its divisors is an integer number (233972517).

Almost surely, 2^2011342445 is an apocalyptic number.

It is an amenable number.

2011342445 is a deficient number, since it is larger than the sum of its proper divisors (796327759).

2011342445 is an equidigital number, since it uses as much as digits as its factorization.

2011342445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209580 (or 8209573 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2011342445 is about 44847.9926529605. The cubic root of 2011342445 is about 1262.2983257246.

Adding to 2011342445 its reverse (5442431102), we get a palindrome (7453773547).

The spelling of 2011342445 in words is "two billion, eleven million, three hundred forty-two thousand, four hundred forty-five".