111161344603 has 2 divisors, whose sum is σ = 111161344604. Its totient is φ = 111161344602.

The previous prime is 111161344583. The next prime is 111161344621. The reversal of 111161344603 is 306443161111.

It is a strong prime.

It is an emirp because it is prime and its reverse (306443161111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111161344603 is a prime.

It is not a weakly prime, because it can be changed into another prime (111161344663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55580672301 + 55580672302.

It is an arithmetic number, because the mean of its divisors is an integer number (55580672302).

Almost surely, 2^111161344603 is an apocalyptic number.

111161344603 is a deficient number, since it is larger than the sum of its proper divisors (1).

111161344603 is an equidigital number, since it uses as much as digits as its factorization.

111161344603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 111161344603 in words is "one hundred eleven billion, one hundred sixty-one million, three hundred forty-four thousand, six hundred three".