11807546172 has 12 divisors (see below), whose sum is σ = 27550941096. Its totient is φ = 3935848720.

The previous prime is 11807546147. The next prime is 11807546183. The reversal of 11807546172 is 27164570811.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491981079 + ... + 491981102.

It is an arithmetic number, because the mean of its divisors is an integer number (2295911758).

Almost surely, 2^11807546172 is an apocalyptic number.

11807546172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11807546172 is an abundant number, since it is smaller than the sum of its proper divisors (15743394924).

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

11807546172 is a wasteful number, since it uses less digits than its factorization.

11807546172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983962188 (or 983962186 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 42.

The spelling of 11807546172 in words is "eleven billion, eight hundred seven million, five hundred forty-six thousand, one hundred seventy-two".