11646752478872 has 64 divisors (see below), whose sum is σ = 25419332044800. Its totient is φ = 4899794739840.

The previous prime is 11646752478839. The next prime is 11646752478899. The reversal of 11646752478872 is 27887425764611.

11646752478872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11646752478872² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6843404 + ... + 8374107.

It is an arithmetic number, because the mean of its divisors is an integer number (397177063200).

Almost surely, 2^{11646752478872} is an apocalyptic number.

It is an amenable number.

11646752478872 is an abundant number, since it is smaller than the sum of its proper divisors (13772579565928).

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

11646752478872 is a wasteful number, since it uses less digits than its factorization.

11646752478872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15217776 (or 15217772 counting only the distinct ones).

The product of its digits is 252887040, while the sum is 68.

The spelling of 11646752478872 in words is "eleven trillion, six hundred forty-six billion, seven hundred fifty-two million, four hundred seventy-eight thousand, eight hundred seventy-two".