111663065643 has 16 divisors (see below), whose sum is σ = 150753002400. Its totient is φ = 73509765120.

The previous prime is 111663065627. The next prime is 111663065653. The reversal of 111663065643 is 346560366111.

It is not a de Polignac number, because 111663065643 - 2⁴ = 111663065627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111663065595 and 111663065604.

It is not an unprimeable number, because it can be changed into a prime (111663065603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66598 + ... + 477243.

It is an arithmetic number, because the mean of its divisors is an integer number (9422062650).

Almost surely, 2^111663065643 is an apocalyptic number.

111663065643 is a deficient number, since it is larger than the sum of its proper divisors (39089936757).

111663065643 is an equidigital number, since it uses as much as digits as its factorization.

111663065643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544702.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 111663065643 in words is "one hundred eleven billion, six hundred sixty-three million, sixty-five thousand, six hundred forty-three".