2011454444133 has 24 divisors (see below), whose sum is σ = 2915432240448. Its totient is φ = 1336363080192.

The previous prime is 2011454444071. The next prime is 2011454444137. The reversal of 2011454444133 is 3314444541102.

It is a happy number.

2011454444133 is a `hidden beast` number, since 2 + 0 + 1 + 145 + 44 + 441 + 33 = 666.

It is not a de Polignac number, because 2011454444133 - 2¹⁷ = 2011454313061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011454444137) 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 23 ways as a sum of consecutive naturals, for example, 2718360 + ... + 3378222.

It is an arithmetic number, because the mean of its divisors is an integer number (121476343352).

Almost surely, 2^{2011454444133} is an apocalyptic number.

It is an amenable number.

2011454444133 is a deficient number, since it is larger than the sum of its proper divisors (903977796315).

2011454444133 is a wasteful number, since it uses less digits than its factorization.

2011454444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661033 (or 661030 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 2011454444133 its reverse (3314444541102), we get a palindrome (5325898985235).

The spelling of 2011454444133 in words is "two trillion, eleven billion, four hundred fifty-four million, four hundred forty-four thousand, one hundred thirty-three".