11003031128 has 64 divisors (see below), whose sum is σ = 21511077120. Its totient is φ = 5270630400.

The previous prime is 11003031121. The next prime is 11003031131. The reversal of 11003031128 is 82113030011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003031121) 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 15 ways as a sum of consecutive naturals, for example, 14458268 + ... + 14459028.

It is an arithmetic number, because the mean of its divisors is an integer number (336110580).

Almost surely, 2^11003031128 is an apocalyptic number.

It is an amenable number.

11003031128 is a deficient number, since it is larger than the sum of its proper divisors (10508045992).

11003031128 is a wasteful number, since it uses less digits than its factorization.

11003031128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11003031128 its reverse (82113030011), we get a palindrome (93116061139).

The spelling of 11003031128 in words is "eleven billion, three million, thirty-one thousand, one hundred twenty-eight".