111442417077664 has 24 divisors (see below), whose sum is σ = 219402523740708. Its totient is φ = 55721141207040.

The previous prime is 111442417077659. The next prime is 111442417077701. The reversal of 111442417077664 is 466770714244111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109883644851600 + 1558772226064 = 10482540^2 + 1248508^2 .

It is a super-2 number, since 2×111442417077664² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34690464 + ... + 37766560.

Almost surely, 2^{111442417077664} is an apocalyptic number.

It is an amenable number.

111442417077664 is a deficient number, since it is larger than the sum of its proper divisors (107960106663044).

111442417077664 is a wasteful number, since it uses less digits than its factorization.

111442417077664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208248 (or 4208240 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 111442417077664 in words is "one hundred eleven trillion, four hundred forty-two billion, four hundred seventeen million, seventy-seven thousand, six hundred sixty-four".