2011533144452 has 24 divisors (see below), whose sum is σ = 3791034538200. Its totient is φ = 928383204096.

The previous prime is 2011533144403. The next prime is 2011533144527. The reversal of 2011533144452 is 2544413351102.

It can be written as a sum of positive squares in 4 ways, for example, as 165668536576 + 1845864607876 = 407024^2 + 1358626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2848574 + ... + 3483882.

It is an arithmetic number, because the mean of its divisors is an integer number (157959772425).

Almost surely, 2^{2011533144452} is an apocalyptic number.

It is an amenable number.

2011533144452 is a deficient number, since it is larger than the sum of its proper divisors (1779501393748).

2011533144452 is a wasteful number, since it uses less digits than its factorization.

2011533144452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696215 (or 696213 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 2011533144452 its reverse (2544413351102), we get a palindrome (4555946495554).

The spelling of 2011533144452 in words is "two trillion, eleven billion, five hundred thirty-three million, one hundred forty-four thousand, four hundred fifty-two".