1159412663 has 4 divisors (see below), whose sum is σ = 1199392440. Its totient is φ = 1119432888.

The previous prime is 1159412647. The next prime is 1159412711. The reversal of 1159412663 is 3662149511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3662149511 = 19073 ⋅192007.

It is a cyclic number.

It is not a de Polignac number, because 1159412663 - 2⁴ = 1159412647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159412603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19989845 + ... + 19989902.

It is an arithmetic number, because the mean of its divisors is an integer number (299848110).

Almost surely, 2^1159412663 is an apocalyptic number.

1159412663 is a deficient number, since it is larger than the sum of its proper divisors (39979777).

1159412663 is an equidigital number, since it uses as much as digits as its factorization.

1159412663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39979776.

The product of its digits is 38880, while the sum is 38.

The square root of 1159412663 is about 34050.1492360900. The cubic root of 1159412663 is about 1050.5402097018.

The spelling of 1159412663 in words is "one billion, one hundred fifty-nine million, four hundred twelve thousand, six hundred sixty-three".