1113032161 has 2 divisors, whose sum is σ = 1113032162. Its totient is φ = 1113032160.

The previous prime is 1113032147. The next prime is 1113032201. The reversal of 1113032161 is 1612303111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1106560225 + 6471936 = 33265^2 + 2544^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113032161 - 2⁹ = 1113031649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113032101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556516080 + 556516081.

It is an arithmetic number, because the mean of its divisors is an integer number (556516081).

Almost surely, 2^1113032161 is an apocalyptic number.

It is an amenable number.

1113032161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113032161 is an equidigital number, since it uses as much as digits as its factorization.

1113032161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1113032161 is about 33362.1366372120. The cubic root of 1113032161 is about 1036.3407398364.

Adding to 1113032161 its reverse (1612303111), we get a palindrome (2725335272).

The spelling of 1113032161 in words is "one billion, one hundred thirteen million, thirty-two thousand, one hundred sixty-one".