11321101044 has 36 divisors (see below), whose sum is σ = 31218794880. Its totient is φ = 3430636560.

The previous prime is 11321101039. The next prime is 11321101049. The reversal of 11321101044 is 44010112311.

It is an interprime number because it is at equal distance from previous prime (11321101039) and next prime (11321101049).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321101049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14293924 + ... + 14294715.

Almost surely, 2^11321101044 is an apocalyptic number.

It is an amenable number.

11321101044 is an abundant number, since it is smaller than the sum of its proper divisors (19897693836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11321101044 is a wasteful number, since it uses less digits than its factorization.

11321101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28588660 (or 28588655 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11321101044 its reverse (44010112311), we get a palindrome (55331213355).

The spelling of 11321101044 in words is "eleven billion, three hundred twenty-one million, one hundred one thousand, forty-four".