111056106005505 has 40 divisors (see below), whose sum is σ = 199632889051200. Its totient is φ = 59064937267104.

The previous prime is 111056106005477. The next prime is 111056106005531. The reversal of 111056106005505 is 505500601650111.

It is a happy number.

It is not a de Polignac number, because 111056106005505 - 2²⁸ = 111055837570049 is a prime.

It is a super-2 number, since 2×111056106005505² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111056106005505.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 381766315 + ... + 382057104.

It is an arithmetic number, because the mean of its divisors is an integer number (4990822226280).

Almost surely, 2^{111056106005505} is an apocalyptic number.

111056106005505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111056106005505 is a deficient number, since it is larger than the sum of its proper divisors (88576783045695).

111056106005505 is an equidigital number, since it uses as much as digits as its factorization.

111056106005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763823795 (or 763823786 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

Adding to 111056106005505 its reverse (505500601650111), we get a palindrome (616556707655616).

The spelling of 111056106005505 in words is "one hundred eleven trillion, fifty-six billion, one hundred six million, five thousand, five hundred five".