11011010111028 has 72 divisors (see below), whose sum is σ = 27859895638848. Its totient is φ = 3666841832448.

The previous prime is 11011010110987. The next prime is 11011010111029. The reversal of 11011010111028 is 82011101011011.

It is a super-3 number, since 3×11011010111028³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 11011010111028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011010111029) 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 23 ways as a sum of consecutive naturals, for example, 532875025 + ... + 532895687.

It is an arithmetic number, because the mean of its divisors is an integer number (386942994984).

Almost surely, 2^{11011010111028} is an apocalyptic number.

11011010111028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11011010111028 is an abundant number, since it is smaller than the sum of its proper divisors (16848885527820).

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

11011010111028 is a wasteful number, since it uses less digits than its factorization.

11011010111028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34053 (or 34048 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 11011010111028 its reverse (82011101011011), we get a palindrome (93022111122039).

The spelling of 11011010111028 in words is "eleven trillion, eleven billion, ten million, one hundred eleven thousand, twenty-eight".