11001204001 has 4 divisors (see below), whose sum is σ = 11058205252. Its totient is φ = 10944202752.

The previous prime is 11001203981. The next prime is 11001204007. The reversal of 11001204001 is 10040210011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1592010000 + 9409194001 = 39900^2 + 97001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001204001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001204007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28500336 + ... + 28500721.

It is an arithmetic number, because the mean of its divisors is an integer number (2764551313).

Almost surely, 2^11001204001 is an apocalyptic number.

It is an amenable number.

11001204001 is a deficient number, since it is larger than the sum of its proper divisors (57001251).

11001204001 is an equidigital number, since it uses as much as digits as its factorization.

11001204001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57001250.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11001204001 its reverse (10040210011), we get a palindrome (21041414012).

The spelling of 11001204001 in words is "eleven billion, one million, two hundred four thousand, one".