1161113384 has 16 divisors (see below), whose sum is σ = 2177756820. Its totient is φ = 580378240.

The previous prime is 1161113383. The next prime is 1161113411. The reversal of 1161113384 is 4833111611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1140953284 + 20160100 = 33778^2 + 4490^2 .

It is not an unprimeable number, because it can be changed into a prime (1161113381) 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, 7724 + ... + 48804.

Almost surely, 2^1161113384 is an apocalyptic number.

It is an amenable number.

1161113384 is a deficient number, since it is larger than the sum of its proper divisors (1016643436).

1161113384 is a wasteful number, since it uses less digits than its factorization.

1161113384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44620 (or 44616 counting only the distinct ones).

The product of its digits is 1728, while the sum is 29.

The square root of 1161113384 is about 34075.1138516073. The cubic root of 1161113384 is about 1051.0536314110.

Adding to 1161113384 its reverse (4833111611), we get a palindrome (5994224995).

The spelling of 1161113384 in words is "one billion, one hundred sixty-one million, one hundred thirteen thousand, three hundred eighty-four".