11999054807376 has 320 divisors, whose sum is σ = 38575885985280. Its totient is φ = 3148151685120.

The previous prime is 11999054807359. The next prime is 11999054807387. The reversal of 11999054807376 is 67370845099911.

11999054807376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11999054807376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142428946 + ... + 142513166.

It is an arithmetic number, because the mean of its divisors is an integer number (120549643704).

Almost surely, 2^{11999054807376} is an apocalyptic number.

11999054807376 is a gapful number since it is divisible by the number (16) 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 11999054807376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19287942992640).

11999054807376 is an abundant number, since it is smaller than the sum of its proper divisors (26576831177904).

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

11999054807376 is a wasteful number, since it uses less digits than its factorization.

11999054807376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84471 (or 84439 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 69.

The spelling of 11999054807376 in words is "eleven trillion, nine hundred ninety-nine billion, fifty-four million, eight hundred seven thousand, three hundred seventy-six".