1163000805 has 16 divisors (see below), whose sum is σ = 1920827904. Its totient is φ = 600258240.

The previous prime is 1163000801. The next prime is 1163000827. The reversal of 1163000805 is 5080003611.

It is not a de Polignac number, because 1163000805 - 2² = 1163000801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163000801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250074 + ... + 1251003.

It is an arithmetic number, because the mean of its divisors is an integer number (120051744).

Almost surely, 2^1163000805 is an apocalyptic number.

1163000805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163000805 is a deficient number, since it is larger than the sum of its proper divisors (757827099).

1163000805 is a wasteful number, since it uses less digits than its factorization.

1163000805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501116.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1163000805 is about 34102.7976125127. The cubic root of 1163000805 is about 1051.6228284125.

The spelling of 1163000805 in words is "one billion, one hundred sixty-three million, eight hundred five", and thus it is an aban number.