1159816036 has 18 divisors (see below), whose sum is σ = 2080401890. Its totient is φ = 565760640.

The previous prime is 1159816033. The next prime is 1159816037. The reversal of 1159816036 is 6306189511.

It can be written as a sum of positive squares in 3 ways, for example, as 4900 + 1159811136 = 70^2 + 34056^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1159816036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159816033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79521 + ... + 92968.

Almost surely, 2^1159816036 is an apocalyptic number.

It is an amenable number.

1159816036 is a deficient number, since it is larger than the sum of its proper divisors (920585854).

1159816036 is a wasteful number, since it uses less digits than its factorization.

1159816036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172575 (or 172532 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1159816036 is about 34056.0719402576. The cubic root of 1159816036 is about 1050.6620272495.

The spelling of 1159816036 in words is "one billion, one hundred fifty-nine million, eight hundred sixteen thousand, thirty-six".