11727172120 has 32 divisors (see below), whose sum is σ = 26642322720. Its totient is φ = 4645324800.

The previous prime is 11727172109. The next prime is 11727172123. The reversal of 11727172120 is 2127172711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11727172123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1419081 + ... + 1427320.

It is an arithmetic number, because the mean of its divisors is an integer number (832572585).

Almost surely, 2^11727172120 is an apocalyptic number.

11727172120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11727172120 is an abundant number, since it is smaller than the sum of its proper divisors (14915150600).

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

11727172120 is a wasteful number, since it uses less digits than its factorization.

11727172120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846515 (or 2846511 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 31.

The spelling of 11727172120 in words is "eleven billion, seven hundred twenty-seven million, one hundred seventy-two thousand, one hundred twenty".