1108531510885 has 16 divisors (see below), whose sum is σ = 1367478072432. Its totient is φ = 862043558400.

The previous prime is 1108531510831. The next prime is 1108531510903. The reversal of 1108531510885 is 5880151358011.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9223297444 + 1099308213441 = 96038^2 + 1048479^2 .

It is not a de Polignac number, because 1108531510885 - 2²⁵ = 1108497956453 is a prime.

It is a super-2 number, since 2×1108531510885² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2627496 + ... + 3020065.

It is an arithmetic number, because the mean of its divisors is an integer number (85467379527).

Almost surely, 2^{1108531510885} is an apocalyptic number.

It is an amenable number.

1108531510885 is a deficient number, since it is larger than the sum of its proper divisors (258946561547).

1108531510885 is a wasteful number, since it uses less digits than its factorization.

1108531510885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648664.

The product of its (nonzero) digits is 192000, while the sum is 46.

Adding to 1108531510885 its reverse (5880151358011), we get a palindrome (6988682868896).

The spelling of 1108531510885 in words is "one trillion, one hundred eight billion, five hundred thirty-one million, five hundred ten thousand, eight hundred eighty-five".