11011113180810 has 48 divisors (see below), whose sum is σ = 28924037532936. Its totient is φ = 2906025744384.

The previous prime is 11011113180773. The next prime is 11011113180839. The reversal of 11011113180810 is 1808131111011.

It can be written as a sum of positive squares in 4 ways, for example, as 9172157502249 + 1838955678561 = 3028557^2 + 1356081^2 .

It is a super-2 number, since 2×11011113180810² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630639219 + ... + 630656678.

Almost surely, 2^{11011113180810} is an apocalyptic number.

11011113180810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011113180810 is an abundant number, since it is smaller than the sum of its proper divisors (17912924352126).

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

11011113180810 is a wasteful number, since it uses less digits than its factorization.

11011113180810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261296007 (or 1261296004 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 27.

Adding to 11011113180810 its reverse (1808131111011), we get a palindrome (12819244291821).

The spelling of 11011113180810 in words is "eleven trillion, eleven billion, one hundred thirteen million, one hundred eighty thousand, eight hundred ten".