8181751048472 has 32 divisors (see below), whose sum is σ = 15583976942400. Its totient is φ = 4026350575104.

The previous prime is 8181751048469. The next prime is 8181751048489. The reversal of 8181751048472 is 2748401571818.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20218913 + ... + 20619600.

It is an arithmetic number, because the mean of its divisors is an integer number (486999279450).

Almost surely, 2^{8181751048472} is an apocalyptic number.

It is an amenable number.

8181751048472 is a deficient number, since it is larger than the sum of its proper divisors (7402225893928).

8181751048472 is a wasteful number, since it uses less digits than its factorization.

8181751048472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40838915 (or 40838911 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 56.

The spelling of 8181751048472 in words is "eight trillion, one hundred eighty-one billion, seven hundred fifty-one million, forty-eight thousand, four hundred seventy-two".