11100320001 has 8 divisors (see below), whose sum is σ = 16444918560. Its totient is φ = 7400213316.

The previous prime is 11100319913. The next prime is 11100320027. The reversal of 11100320001 is 10002300111.

It is not a de Polignac number, because 11100320001 - 2¹⁷ = 11100188929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11100320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205561455 + ... + 205561508.

It is an arithmetic number, because the mean of its divisors is an integer number (2055614820).

Almost surely, 2^11100320001 is an apocalyptic number.

It is an amenable number.

11100320001 is a deficient number, since it is larger than the sum of its proper divisors (5344598559).

11100320001 is an equidigital number, since it uses as much as digits as its factorization.

11100320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411122972 (or 411122966 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11100320001 its reverse (10002300111), we get a palindrome (21102620112).

The spelling of 11100320001 in words is "eleven billion, one hundred million, three hundred twenty thousand, one".