11985734180832 has 24 divisors (see below), whose sum is σ = 31462552224936. Its totient is φ = 3995244726912.

The previous prime is 11985734180813. The next prime is 11985734180837. The reversal of 11985734180832 is 23808143758911.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11985734180837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62425698763 + ... + 62425698954.

It is an arithmetic number, because the mean of its divisors is an integer number (1310939676039).

Almost surely, 2^{11985734180832} is an apocalyptic number.

11985734180832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11985734180832 is an abundant number, since it is smaller than the sum of its proper divisors (19476818044104).

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

11985734180832 is a wasteful number, since it uses less digits than its factorization.

11985734180832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124851397730 (or 124851397722 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 11985734180832 in words is "eleven trillion, nine hundred eighty-five billion, seven hundred thirty-four million, one hundred eighty thousand, eight hundred thirty-two".