11001100521 has 8 divisors (see below), whose sum is σ = 15009253600. Its totient is φ = 7163507232.

The previous prime is 11001100499. The next prime is 11001100531. The reversal of 11001100521 is 12500110011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11001100521 - 2⁵ = 11001100489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11001100497 and 11001100506.

It is not an unprimeable number, because it can be changed into a prime (11001100531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42639796 + ... + 42640053.

It is an arithmetic number, because the mean of its divisors is an integer number (1876156700).

Almost surely, 2^11001100521 is an apocalyptic number.

It is an amenable number.

11001100521 is a deficient number, since it is larger than the sum of its proper divisors (4008153079).

11001100521 is an equidigital number, since it uses as much as digits as its factorization.

11001100521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85279895.

The product of its (nonzero) digits is 10, while the sum is 12.

Adding to 11001100521 its reverse (12500110011), we get a palindrome (23501210532).

The spelling of 11001100521 in words is "eleven billion, one million, one hundred thousand, five hundred twenty-one".