1086818811650 has 144 divisors (see below), whose sum is σ = 2421725124672. Its totient is φ = 360408892800.

The previous prime is 1086818811647. The next prime is 1086818811731. The reversal of 1086818811650 is 561188186801.

It is a junction number, because it is equal to n+sod(n) for n = 1086818811592 and 1086818811601.

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 71 ways as a sum of consecutive naturals, for example, 6444707 + ... + 6611193.

It is an arithmetic number, because the mean of its divisors is an integer number (16817535588).

Almost surely, 2^{1086818811650} is an apocalyptic number.

1086818811650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1086818811650 is an abundant number, since it is smaller than the sum of its proper divisors (1334906313022).

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

1086818811650 is a wasteful number, since it uses less digits than its factorization.

1086818811650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166617 (or 166601 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 53.

The spelling of 1086818811650 in words is "one trillion, eighty-six billion, eight hundred eighteen million, eight hundred eleven thousand, six hundred fifty".