11873685721734 has 80 divisors (see below), whose sum is σ = 27256179446496. Its totient is φ = 3861162172800.

The previous prime is 11873685721687. The next prime is 11873685721771. The reversal of 11873685721734 is 43712758637811.

11873685721734 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 368 + 57 + 217 + 3 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 184396224 + ... + 184460604.

Almost surely, 2^{11873685721734} is an apocalyptic number.

11873685721734 is an abundant number, since it is smaller than the sum of its proper divisors (15382493724762).

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

11873685721734 is a wasteful number, since it uses less digits than its factorization.

11873685721734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92203 (or 92194 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The spelling of 11873685721734 in words is "eleven trillion, eight hundred seventy-three billion, six hundred eighty-five million, seven hundred twenty-one thousand, seven hundred thirty-four".