1159085826 has 24 divisors (see below), whose sum is σ = 2572606764. Its totient is φ = 376938240.

The previous prime is 1159085803. The next prime is 1159085869. The reversal of 1159085826 is 6285809511.

It is a happy number.

1159085826 is a `hidden beast` number, since 1 + 1 + 590 + 8 + 58 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1031373225 + 127712601 = 32115^2 + 11301^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 784551 + ... + 786026.

Almost surely, 2^1159085826 is an apocalyptic number.

1159085826 is an abundant number, since it is smaller than the sum of its proper divisors (1413520938).

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

1159085826 is a wasteful number, since it uses less digits than its factorization.

1159085826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570626 (or 1570623 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 1159085826 is about 34045.3495502690. The cubic root of 1159085826 is about 1050.4414850946.

The spelling of 1159085826 in words is "one billion, one hundred fifty-nine million, eighty-five thousand, eight hundred twenty-six".