111361246489 has 2 divisors, whose sum is σ = 111361246490. Its totient is φ = 111361246488.

The previous prime is 111361246457. The next prime is 111361246561. The reversal of 111361246489 is 984642163111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104372286489 + 6988960000 = 323067^2 + 83600^2 .

It is a cyclic number.

It is not a de Polignac number, because 111361246489 - 2⁵ = 111361246457 is a prime.

It is not a weakly prime, because it can be changed into another prime (111361246589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680623244 + 55680623245.

It is an arithmetic number, because the mean of its divisors is an integer number (55680623245).

Almost surely, 2^111361246489 is an apocalyptic number.

It is an amenable number.

111361246489 is a deficient number, since it is larger than the sum of its proper divisors (1).

111361246489 is an equidigital number, since it uses as much as digits as its factorization.

111361246489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The spelling of 111361246489 in words is "one hundred eleven billion, three hundred sixty-one million, two hundred forty-six thousand, four hundred eighty-nine".