11128216001 has 24 divisors (see below), whose sum is σ = 13697948160. Its totient is φ = 8988991200.

The previous prime is 11128215983. The next prime is 11128216007. The reversal of 11128216001 is 10061282111.

It is not a de Polignac number, because 11128216001 - 2¹⁴ = 11128199617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11128216007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146531 + ... + 209111.

It is an arithmetic number, because the mean of its divisors is an integer number (570747840).

Almost surely, 2^11128216001 is an apocalyptic number.

It is an amenable number.

11128216001 is a deficient number, since it is larger than the sum of its proper divisors (2569732159).

11128216001 is a wasteful number, since it uses less digits than its factorization.

11128216001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62805 (or 62798 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 11128216001 its reverse (10061282111), we get a palindrome (21189498112).

The spelling of 11128216001 in words is "eleven billion, one hundred twenty-eight million, two hundred sixteen thousand, one".