11100120044 has 24 divisors (see below), whose sum is σ = 21018622128. Its totient is φ = 5098847040.

The previous prime is 11100120043. The next prime is 11100120077. The reversal of 11100120044 is 44002100111.

It is not an unprimeable number, because it can be changed into a prime (11100120043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494867 + ... + 516810.

It is an arithmetic number, because the mean of its divisors is an integer number (875775922).

Almost surely, 2^11100120044 is an apocalyptic number.

It is an amenable number.

11100120044 is a deficient number, since it is larger than the sum of its proper divisors (9918502084).

11100120044 is a wasteful number, since it uses less digits than its factorization.

11100120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011905 (or 1011903 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11100120044 its reverse (44002100111), we get a palindrome (55102220155).

The spelling of 11100120044 in words is "eleven billion, one hundred million, one hundred twenty thousand, forty-four".