111609463663 has 2 divisors, whose sum is σ = 111609463664. Its totient is φ = 111609463662.

The previous prime is 111609463657. The next prime is 111609463723. The reversal of 111609463663 is 366364906111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111609463663 - 2⁵ = 111609463631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111609460663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55804731831 + 55804731832.

It is an arithmetic number, because the mean of its divisors is an integer number (55804731832).

Almost surely, 2^111609463663 is an apocalyptic number.

111609463663 is a deficient number, since it is larger than the sum of its proper divisors (1).

111609463663 is an equidigital number, since it uses as much as digits as its factorization.

111609463663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 111609463663 in words is "one hundred eleven billion, six hundred nine million, four hundred sixty-three thousand, six hundred sixty-three".