1161354356 has 24 divisors (see below), whose sum is σ = 2116088520. Its totient is φ = 557222400.

The previous prime is 1161354319. The next prime is 1161354367. The reversal of 1161354356 is 6534531611.

It can be written as a sum of positive squares in 4 ways, for example, as 25664356 + 1135690000 = 5066^2 + 33700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48041 + ... + 68048.

It is an arithmetic number, because the mean of its divisors is an integer number (88170355).

Almost surely, 2^1161354356 is an apocalyptic number.

It is an amenable number.

1161354356 is a deficient number, since it is larger than the sum of its proper divisors (954734164).

1161354356 is a wasteful number, since it uses less digits than its factorization.

1161354356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116195 (or 116193 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 1161354356 is about 34078.6495624460. The cubic root of 1161354356 is about 1051.1263366208.

Adding to 1161354356 its reverse (6534531611), we get a palindrome (7695885967).

The spelling of 1161354356 in words is "one billion, one hundred sixty-one million, three hundred fifty-four thousand, three hundred fifty-six".