111485307449 has 2 divisors, whose sum is σ = 111485307450. Its totient is φ = 111485307448.

The previous prime is 111485307443. The next prime is 111485307457. The reversal of 111485307449 is 944703584111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109076951824 + 2408355625 = 330268^2 + 49075^2 .

It is a cyclic number.

It is not a de Polignac number, because 111485307449 - 2¹² = 111485303353 is a prime.

It is not a weakly prime, because it can be changed into another prime (111485307443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55742653724 + 55742653725.

It is an arithmetic number, because the mean of its divisors is an integer number (55742653725).

Almost surely, 2^111485307449 is an apocalyptic number.

It is an amenable number.

111485307449 is a deficient number, since it is larger than the sum of its proper divisors (1).

111485307449 is an equidigital number, since it uses as much as digits as its factorization.

111485307449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 111485307449 in words is "one hundred eleven billion, four hundred eighty-five million, three hundred seven thousand, four hundred forty-nine".