11973132468528 has 160 divisors (see below), whose sum is σ = 38568426462720. Its totient is φ = 3109452103680.

The previous prime is 11973132468527. The next prime is 11973132468533. The reversal of 11973132468528 is 82586423137911.

It is a super-2 number, since 2×11973132468528² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11973132468527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25554838 + ... + 26019146.

It is an arithmetic number, because the mean of its divisors is an integer number (241052665392).

Almost surely, 2^{11973132468528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11973132468528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19284213231360).

11973132468528 is an abundant number, since it is smaller than the sum of its proper divisors (26595293994192).

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

11973132468528 is a wasteful number, since it uses less digits than its factorization.

11973132468528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471315 (or 471309 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The spelling of 11973132468528 in words is "eleven trillion, nine hundred seventy-three billion, one hundred thirty-two million, four hundred sixty-eight thousand, five hundred twenty-eight".