1163156313 has 8 divisors (see below), whose sum is σ = 1691863776. Its totient is φ = 704943200.

The previous prime is 1163156257. The next prime is 1163156353. The reversal of 1163156313 is 3136513611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163156313 - 2⁶ = 1163156249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163156353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17623548 + ... + 17623613.

It is an arithmetic number, because the mean of its divisors is an integer number (211482972).

Almost surely, 2^1163156313 is an apocalyptic number.

It is an amenable number.

1163156313 is a deficient number, since it is larger than the sum of its proper divisors (528707463).

1163156313 is a wasteful number, since it uses less digits than its factorization.

1163156313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35247175.

The product of its digits is 4860, while the sum is 30.

The square root of 1163156313 is about 34105.0775252014. The cubic root of 1163156313 is about 1051.6696981061.

Adding to 1163156313 its reverse (3136513611), we get a palindrome (4299669924).

The spelling of 1163156313 in words is "one billion, one hundred sixty-three million, one hundred fifty-six thousand, three hundred thirteen".