1011204020044 has 12 divisors (see below), whose sum is σ = 1812768182568. Its totient is φ = 493270253600.

The previous prime is 1011204020041. The next prime is 1011204020069. The reversal of 1011204020044 is 4400204021101.

It is not an unprimeable number, because it can be changed into a prime (1011204020041) 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, 3082938922 + ... + 3082939249.

It is an arithmetic number, because the mean of its divisors is an integer number (151064015214).

Almost surely, 2^{1011204020044} is an apocalyptic number.

It is an amenable number.

1011204020044 is a deficient number, since it is larger than the sum of its proper divisors (801564162524).

1011204020044 is a wasteful number, since it uses less digits than its factorization.

1011204020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165878216 (or 6165878214 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1011204020044 its reverse (4400204021101), we get a palindrome (5411408041145).

The spelling of 1011204020044 in words is "one trillion, eleven billion, two hundred four million, twenty thousand, forty-four".