1162611113 has 16 divisors (see below), whose sum is σ = 1245903120. Its totient is φ = 1081036800.

The previous prime is 1162611103. The next prime is 1162611119. The reversal of 1162611113 is 3111162611.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 619369 + 1161991744 = 787^2 + 34088^2 .

It is not a de Polignac number, because 1162611113 - 2⁴ = 1162611097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162611119) 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, 853553 + ... + 854913.

It is an arithmetic number, because the mean of its divisors is an integer number (77868945).

Almost surely, 2^1162611113 is an apocalyptic number.

It is an amenable number.

1162611113 is a deficient number, since it is larger than the sum of its proper divisors (83292007).

1162611113 is a wasteful number, since it uses less digits than its factorization.

1162611113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its digits is 216, while the sum is 23.

The square root of 1162611113 is about 34097.0836436197. The cubic root of 1162611113 is about 1051.5053579337.

Adding to 1162611113 its reverse (3111162611), we get a palindrome (4273773724).

The spelling of 1162611113 in words is "one billion, one hundred sixty-two million, six hundred eleven thousand, one hundred thirteen".