11001000001128 has 32 divisors (see below), whose sum is σ = 27502949801760. Its totient is φ = 3666940027200.

The previous prime is 11001000001127. The next prime is 11001000001157. The reversal of 11001000001128 is 82110000010011.

It is a super-4 number, since 4×11001000001128⁴ (a number of 53 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11001000001127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2237875 + ... + 5197122.

It is an arithmetic number, because the mean of its divisors is an integer number (859467181305).

Almost surely, 2^{11001000001128} is an apocalyptic number.

It is an amenable number.

11001000001128 is an abundant number, since it is smaller than the sum of its proper divisors (16501949800632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11001000001128 is a wasteful number, since it uses less digits than its factorization.

11001000001128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496657 (or 7496653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11001000001128 its reverse (82110000010011), we get a palindrome (93111000011139).

The spelling of 11001000001128 in words is "eleven trillion, one billion, one thousand, one hundred twenty-eight".