1100000001128 has 16 divisors (see below), whose sum is σ = 2357142859680. Its totient is φ = 471428571888.

The previous prime is 1100000001127. The next prime is 1100000001169. The reversal of 1100000001128 is 8211000000011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1100000001127) 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, 9821428526 + ... + 9821428637.

It is an arithmetic number, because the mean of its divisors is an integer number (147321428730).

Almost surely, 2^{1100000001128} is an apocalyptic number.

It is an amenable number.

1100000001128 is an abundant number, since it is smaller than the sum of its proper divisors (1257142858552).

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

1100000001128 is a wasteful number, since it uses less digits than its factorization.

1100000001128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19642857176 (or 19642857172 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100000001128 its reverse (8211000000011), we get a palindrome (9311000001139).

The spelling of 1100000001128 in words is "one trillion, one hundred billion, one thousand, one hundred twenty-eight".