1123566666900 has 36 divisors (see below), whose sum is σ = 3250852890432. Its totient is φ = 299617777760.

The previous prime is 1123566666821. The next prime is 1123566666917. The reversal of 1123566666900 is 96666653211.

It is a happy number.

It is a super-2 number, since 2×1123566666900² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1872610812 + ... + 1872611411.

Almost surely, 2^{1123566666900} is an apocalyptic number.

1123566666900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123566666900 is an abundant number, since it is smaller than the sum of its proper divisors (2127286223532).

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

1123566666900 is a wasteful number, since it uses less digits than its factorization.

1123566666900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745222240 (or 3745222233 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 1123566666900 in words is "one trillion, one hundred twenty-three billion, five hundred sixty-six million, six hundred sixty-six thousand, nine hundred".