11001320411 has 4 divisors (see below), whose sum is σ = 11002375800. Its totient is φ = 11000265024.

The previous prime is 11001320401. The next prime is 11001320419. The reversal of 11001320411 is 11402310011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11402310011 = 17891 ⋅637321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001320411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001320419) 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, 511901 + ... + 532958.

It is an arithmetic number, because the mean of its divisors is an integer number (2750593950).

Almost surely, 2^11001320411 is an apocalyptic number.

11001320411 is a deficient number, since it is larger than the sum of its proper divisors (1055389).

11001320411 is a wasteful number, since it uses less digits than its factorization.

11001320411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055388.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11001320411 its reverse (11402310011), we get a palindrome (22403630422).

The spelling of 11001320411 in words is "eleven billion, one million, three hundred twenty thousand, four hundred eleven".