11952554768 has 80 divisors (see below), whose sum is σ = 28894472064. Its totient is φ = 4653281280.

The previous prime is 11952554737. The next prime is 11952554797. The reversal of 11952554768 is 86745525911.

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, 2087846 + ... + 2093562.

Almost surely, 2^11952554768 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 11952554768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14447236032).

11952554768 is an abundant number, since it is smaller than the sum of its proper divisors (16941917296).

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

11952554768 is a wasteful number, since it uses less digits than its factorization.

11952554768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440 (or 7434 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 53.

The spelling of 11952554768 in words is "eleven billion, nine hundred fifty-two million, five hundred fifty-four thousand, seven hundred sixty-eight".