1099388407216 has 20 divisors (see below), whose sum is σ = 2323707315624. Its totient is φ = 499722003200.

The previous prime is 1099388407181. The next prime is 1099388407261. The reversal of 1099388407216 is 6127048839901.

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, 3123262345 + ... + 3123262696.

Almost surely, 2^{1099388407216} is an apocalyptic number.

1099388407216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1099388407216 is an abundant number, since it is smaller than the sum of its proper divisors (1224318908408).

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

1099388407216 is a wasteful number, since it uses less digits than its factorization.

1099388407216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246525060 (or 6246525054 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 1099388407216 in words is "one trillion, ninety-nine billion, three hundred eighty-eight million, four hundred seven thousand, two hundred sixteen".