1115405424666 has 48 divisors (see below), whose sum is σ = 2628381155400. Its totient is φ = 339803625600.

The previous prime is 1115405424659. The next prime is 1115405424671. The reversal of 1115405424666 is 6664245045111.

It can be written as a sum of positive squares in 4 ways, for example, as 874653282441 + 240752142225 = 935229^2 + 490665^2 .

It is a super-2 number, since 2×1115405424666² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23573841 + ... + 23621108.

Almost surely, 2^{1115405424666} is an apocalyptic number.

1115405424666 is an abundant number, since it is smaller than the sum of its proper divisors (1512975730734).

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

1115405424666 is a wasteful number, since it uses less digits than its factorization.

1115405424666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47195071 (or 47195068 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 1115405424666 in words is "one trillion, one hundred fifteen billion, four hundred five million, four hundred twenty-four thousand, six hundred sixty-six".