11005404212001 has 32 divisors (see below), whose sum is σ = 15595458508800. Its totient is φ = 6879425834240.

The previous prime is 11005404211939. The next prime is 11005404212003. The reversal of 11005404212001 is 10021240450011.

It is a cyclic number.

It is not a de Polignac number, because 11005404212001 - 2⁷ = 11005404211873 is a prime.

It is a super-2 number, since 2×11005404212001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11005404212003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18585070 + ... + 19168088.

It is an arithmetic number, because the mean of its divisors is an integer number (487358078400).

Almost surely, 2^{11005404212001} is an apocalyptic number.

It is an amenable number.

11005404212001 is a deficient number, since it is larger than the sum of its proper divisors (4590054296799).

11005404212001 is a wasteful number, since it uses less digits than its factorization.

11005404212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584429.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11005404212001 its reverse (10021240450011), we get a palindrome (21026644662012).

The spelling of 11005404212001 in words is "eleven trillion, five billion, four hundred four million, two hundred twelve thousand, one".