1116105555564 has 36 divisors (see below), whose sum is σ = 2874498275376. Its totient is φ = 365015652768.

The previous prime is 1116105555563. The next prime is 1116105555599. The reversal of 1116105555564 is 4655555016111.

1116105555564 is a `hidden beast` number, since 11 + 16 + 10 + 5 + 5 + 55 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1116105555564² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1116105555563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292478584 + ... + 292482399.

It is an arithmetic number, because the mean of its divisors is an integer number (79847174316).

Almost surely, 2^{1116105555564} is an apocalyptic number.

It is an amenable number.

1116105555564 is an abundant number, since it is smaller than the sum of its proper divisors (1758392719812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1116105555564 is a wasteful number, since it uses less digits than its factorization.

1116105555564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584961046 (or 584961041 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 45.

The spelling of 1116105555564 in words is "one trillion, one hundred sixteen billion, one hundred five million, five hundred fifty-five thousand, five hundred sixty-four".