11972581524352 has 16 divisors (see below), whose sum is σ = 23851627255800. Its totient is φ = 5986290762112.

The previous prime is 11972581524187. The next prime is 11972581524403. The reversal of 11972581524352 is 25342518527911.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 11972581524293 and 11972581524302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46767896452 + ... + 46767896707.

Almost surely, 2^{11972581524352} is an apocalyptic number.

It is an amenable number.

11972581524352 is a deficient number, since it is larger than the sum of its proper divisors (11879045731448).

11972581524352 is an frugal number, since it uses more digits than its factorization.

11972581524352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93535793173 (or 93535793161 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 55.

The spelling of 11972581524352 in words is "eleven trillion, nine hundred seventy-two billion, five hundred eighty-one million, five hundred twenty-four thousand, three hundred fifty-two".