1162111063 has 4 divisors (see below), whose sum is σ = 1162184248. Its totient is φ = 1162037880.

The previous prime is 1162111051. The next prime is 1162111073. The reversal of 1162111063 is 3601112611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3601112611 = 157 ⋅22937023.

It is a cyclic number.

It is not a de Polignac number, because 1162111063 - 2²⁵ = 1128556631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162111073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653 + ... + 48238.

It is an arithmetic number, because the mean of its divisors is an integer number (290546062).

Almost surely, 2^1162111063 is an apocalyptic number.

1162111063 is a deficient number, since it is larger than the sum of its proper divisors (73185).

1162111063 is an equidigital number, since it uses as much as digits as its factorization.

1162111063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73184.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1162111063 is about 34089.7501164206. The cubic root of 1162111063 is about 1051.3545821925.

Adding to 1162111063 its reverse (3601112611), we get a palindrome (4763223674).

It can be divided in two parts, 1162 and 111063, that added together give a square (112225 = 335²).

The spelling of 1162111063 in words is "one billion, one hundred sixty-two million, one hundred eleven thousand, sixty-three".