1011013444444 has 12 divisors (see below), whose sum is σ = 1769291516664. Its totient is φ = 505501582544.

The previous prime is 1011013444391. The next prime is 1011013444517. The reversal of 1011013444444 is 4444443101101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823954 + ... + 1643449.

It is an arithmetic number, because the mean of its divisors is an integer number (147440959722).

Almost surely, 2^{1011013444444} is an apocalyptic number.

It is an amenable number.

1011013444444 is a deficient number, since it is larger than the sum of its proper divisors (758278072220).

1011013444444 is a wasteful number, since it uses less digits than its factorization.

1011013444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569844 (or 2569842 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 1011013444444 its reverse (4444443101101), we get a palindrome (5455456545545).

The spelling of 1011013444444 in words is "one trillion, eleven billion, thirteen million, four hundred forty-four thousand, four hundred forty-four".