113511361 has 2 divisors, whose sum is σ = 113511362. Its totient is φ = 113511360.

The previous prime is 113511337. The next prime is 113511389. The reversal of 113511361 is 163115311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66520336 + 46991025 = 8156^2 + 6855^2 .

It is a cyclic number.

It is not a de Polignac number, because 113511361 - 2²³ = 105122753 is a prime.

It is not a weakly prime, because it can be changed into another prime (113511311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56755680 + 56755681.

It is an arithmetic number, because the mean of its divisors is an integer number (56755681).

Almost surely, 2^113511361 is an apocalyptic number.

It is an amenable number.

113511361 is a deficient number, since it is larger than the sum of its proper divisors (1).

113511361 is an equidigital number, since it uses as much as digits as its factorization.

113511361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270, while the sum is 22.

The square root of 113511361 is about 10654.1710611384. The cubic root of 113511361 is about 484.1869837945.

Adding to 113511361 its reverse (163115311), we get a palindrome (276626672).

The spelling of 113511361 in words is "one hundred thirteen million, five hundred eleven thousand, three hundred sixty-one".