2181130192704 has 56 divisors (see below), whose sum is σ = 5771058681888. Its totient is φ = 727024284160.

The previous prime is 2181130192699. The next prime is 2181130192711. The reversal of 2181130192704 is 4072910311812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8463319 + ... + 8717225.

Almost surely, 2^{2181130192704} is an apocalyptic number.

2181130192704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2181130192704 is an abundant number, since it is smaller than the sum of its proper divisors (3589928489184).

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

2181130192704 is a wasteful number, since it uses less digits than its factorization.

2181130192704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298663 (or 298653 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 2181130192704 in words is "two trillion, one hundred eighty-one billion, one hundred thirty million, one hundred ninety-two thousand, seven hundred four".