11952619872 has 96 divisors (see below), whose sum is σ = 32147837568. Its totient is φ = 3886396416.

The previous prime is 11952619813. The next prime is 11952619891. The reversal of 11952619872 is 27891625911.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4262823 + ... + 4265625.

It is an arithmetic number, because the mean of its divisors is an integer number (334873308).

Almost surely, 2^11952619872 is an apocalyptic number.

11952619872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11952619872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16073918784).

11952619872 is an abundant number, since it is smaller than the sum of its proper divisors (20195217696).

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

11952619872 is a wasteful number, since it uses less digits than its factorization.

11952619872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892 (or 3884 counting only the distinct ones).

The product of its digits is 544320, while the sum is 51.

The spelling of 11952619872 in words is "eleven billion, nine hundred fifty-two million, six hundred nineteen thousand, eight hundred seventy-two".