11211210044 has 6 divisors (see below), whose sum is σ = 19619617584. Its totient is φ = 5605605020.

The previous prime is 11211210037. The next prime is 11211210083. The reversal of 11211210044 is 44001211211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401401252 + ... + 1401401259.

It is an arithmetic number, because the mean of its divisors is an integer number (3269936264).

Almost surely, 2^11211210044 is an apocalyptic number.

It is an amenable number.

11211210044 is a deficient number, since it is larger than the sum of its proper divisors (8408407540).

11211210044 is a wasteful number, since it uses less digits than its factorization.

11211210044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802802515 (or 2802802513 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211210044 its reverse (44001211211), we get a palindrome (55212421255).

The spelling of 11211210044 in words is "eleven billion, two hundred eleven million, two hundred ten thousand, forty-four".