1121005066600 has 24 divisors (see below), whose sum is σ = 2606336780310. Its totient is φ = 448402026560.

The previous prime is 1121005066553. The next prime is 1121005066609. The reversal of 1121005066600 is 66605001211.

It can be written as a sum of positive squares in 3 ways, for example, as 625279236516 + 495725830084 = 790746^2 + 704078^2 .

It is not an unprimeable number, because it can be changed into a prime (1121005066609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2802512467 + ... + 2802512866.

Almost surely, 2^{1121005066600} is an apocalyptic number.

1121005066600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121005066600 is an abundant number, since it is smaller than the sum of its proper divisors (1485331713710).

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

1121005066600 is a wasteful number, since it uses less digits than its factorization.

1121005066600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605025349 (or 5605025340 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 1121005066600 in words is "one trillion, one hundred twenty-one billion, five million, sixty-six thousand, six hundred".