2011343545 has 16 divisors (see below), whose sum is σ = 2455177680. Its totient is φ = 1581408000.

The previous prime is 2011343539. The next prime is 2011343563. The reversal of 2011343545 is 5453431102.

It can be written as a sum of positive squares in 8 ways, for example, as 1288163881 + 723179664 = 35891^2 + 26892^2 .

It is not a de Polignac number, because 2011343545 - 2¹³ = 2011335353 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 578071 + ... + 581539.

It is an arithmetic number, because the mean of its divisors is an integer number (153448605).

Almost surely, 2^2011343545 is an apocalyptic number.

It is an amenable number.

2011343545 is a deficient number, since it is larger than the sum of its proper divisors (443834135).

2011343545 is a wasteful number, since it uses less digits than its factorization.

2011343545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2011343545 is about 44848.0049166069. The cubic root of 2011343545 is about 1262.2985558409.

Adding to 2011343545 its reverse (5453431102), we get a palindrome (7464774647).

The spelling of 2011343545 in words is "two billion, eleven million, three hundred forty-three thousand, five hundred forty-five".