2011000444403 has 4 divisors (see below), whose sum is σ = 2011139811648. Its totient is φ = 2010861077160.

The previous prime is 2011000444399. The next prime is 2011000444517. The reversal of 2011000444403 is 3044440001102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011000444403 - 2² = 2011000444399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011000444003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69661976 + ... + 69690837.

It is an arithmetic number, because the mean of its divisors is an integer number (502784952912).

Almost surely, 2^{2011000444403} is an apocalyptic number.

2011000444403 is a deficient number, since it is larger than the sum of its proper divisors (139367245).

2011000444403 is a wasteful number, since it uses less digits than its factorization.

2011000444403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139367244.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2011000444403 its reverse (3044440001102), we get a palindrome (5055440445505).

The spelling of 2011000444403 in words is "two trillion, eleven billion, four hundred forty-four thousand, four hundred three".