11128216023 has 40 divisors (see below), whose sum is σ = 17616448080. Its totient is φ = 6988222080.

The previous prime is 11128216013. The next prime is 11128216037. The reversal of 11128216023 is 32061282111.

11128216023 is a `hidden beast` number, since 1 + 11 + 28 + 21 + 602 + 3 = 666.

It is not a de Polignac number, because 11128216023 - 2⁴ = 11128216007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128216013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38536 + ... + 154082.

It is an arithmetic number, because the mean of its divisors is an integer number (440411202).

Almost surely, 2^11128216023 is an apocalyptic number.

11128216023 is a deficient number, since it is larger than the sum of its proper divisors (6488232057).

11128216023 is a wasteful number, since it uses less digits than its factorization.

11128216023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115629 (or 115620 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 11128216023 its reverse (32061282111), we get a palindrome (43189498134).

The spelling of 11128216023 in words is "eleven billion, one hundred twenty-eight million, two hundred sixteen thousand, twenty-three".