111663065642 has 16 divisors (see below), whose sum is σ = 177401125512. Its totient is φ = 52531353600.

The previous prime is 111663065627. The next prime is 111663065653. The reversal of 111663065642 is 246560366111.

It can be written as a sum of positive squares in 4 ways, for example, as 109275863761 + 2387201881 = 330569^2 + 48859^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111663065642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385223 + ... + 609690.

Almost surely, 2^111663065642 is an apocalyptic number.

111663065642 is a deficient number, since it is larger than the sum of its proper divisors (65738059870).

111663065642 is a wasteful number, since it uses less digits than its factorization.

111663065642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998233.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 111663065642 in words is "one hundred eleven billion, six hundred sixty-three million, sixty-five thousand, six hundred forty-two".