111560047649 has 2 divisors, whose sum is σ = 111560047650. Its totient is φ = 111560047648.

The previous prime is 111560047559. The next prime is 111560047661. The reversal of 111560047649 is 946740065111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107623363600 + 3936684049 = 328060^2 + 62743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111560047649 is a prime.

It is not a weakly prime, because it can be changed into another prime (111560047679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55780023824 + 55780023825.

It is an arithmetic number, because the mean of its divisors is an integer number (55780023825).

Almost surely, 2^111560047649 is an apocalyptic number.

It is an amenable number.

111560047649 is a deficient number, since it is larger than the sum of its proper divisors (1).

111560047649 is an equidigital number, since it uses as much as digits as its factorization.

111560047649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 111560047649 in words is "one hundred eleven billion, five hundred sixty million, forty-seven thousand, six hundred forty-nine".