1163801059 has 4 divisors (see below), whose sum is σ = 1203932160. Its totient is φ = 1123669960.

The previous prime is 1163801027. The next prime is 1163801077. The reversal of 1163801059 is 9501083611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1163801059 - 2⁵ = 1163801027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163801459) 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, 20065507 + ... + 20065564.

It is an arithmetic number, because the mean of its divisors is an integer number (300983040).

Almost surely, 2^1163801059 is an apocalyptic number.

1163801059 is a deficient number, since it is larger than the sum of its proper divisors (40131101).

1163801059 is an equidigital number, since it uses as much as digits as its factorization.

1163801059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131100.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1163801059 is about 34114.5285618899. The cubic root of 1163801059 is about 1051.8639782665.

The spelling of 1163801059 in words is "one billion, one hundred sixty-three million, eight hundred one thousand, fifty-nine".