1105636985 has 8 divisors (see below), whose sum is σ = 1328711040. Its totient is φ = 883211824.

The previous prime is 1105636969. The next prime is 1105636993. The reversal of 1105636985 is 5896365011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105636985 - 2⁴ = 1105636969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158465 + ... + 165294.

It is an arithmetic number, because the mean of its divisors is an integer number (166088880).

Almost surely, 2^1105636985 is an apocalyptic number.

It is an amenable number.

1105636985 is a deficient number, since it is larger than the sum of its proper divisors (223074055).

1105636985 is an equidigital number, since it uses as much as digits as its factorization.

1105636985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324447.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 1105636985 is about 33251.1200563229. The cubic root of 1105636985 is about 1034.0404293759.

The spelling of 1105636985 in words is "one billion, one hundred five million, six hundred thirty-six thousand, nine hundred eighty-five".