1135784837268 has 42 divisors (see below), whose sum is σ = 2980071952074. Its totient is φ = 378594944784.

The previous prime is 1135784837261. The next prime is 1135784837279. The reversal of 1135784837268 is 8627384875311.

It is a happy number.

1135784837268 is a `hidden beast` number, since 1 + 1 + 3 + 578 + 4 + 8 + 37 + 26 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1121697046404 + 14087790864 = 1059102^2 + 118692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135784837261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 194747571 + ... + 194753402.

It is an arithmetic number, because the mean of its divisors is an integer number (70954094097).

Almost surely, 2^{1135784837268} is an apocalyptic number.

1135784837268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1135784837268 is an abundant number, since it is smaller than the sum of its proper divisors (1844287114806).

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

1135784837268 is an equidigital number, since it uses as much as digits as its factorization.

1135784837268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389500995 (or 389500978 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 1135784837268 in words is "one trillion, one hundred thirty-five billion, seven hundred eighty-four million, eight hundred thirty-seven thousand, two hundred sixty-eight".