11554666305420 has 192 divisors, whose sum is σ = 39156480470016. Its totient is φ = 2485293711360.

The previous prime is 11554666305389. The next prime is 11554666305443. The reversal of 11554666305420 is 2450366645511.

It is a happy number.

11554666305420 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 11554666305420.

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, 43514455 + ... + 43779185.

It is an arithmetic number, because the mean of its divisors is an integer number (203940002448).

Almost surely, 2^{11554666305420} is an apocalyptic number.

11554666305420 is a gapful number since it is divisible by the number (10) 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 11554666305420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19578240235008).

11554666305420 is an abundant number, since it is smaller than the sum of its proper divisors (27601814164596).

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

11554666305420 is a wasteful number, since it uses less digits than its factorization.

11554666305420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270880 (or 270878 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 11554666305420 in words is "eleven trillion, five hundred fifty-four billion, six hundred sixty-six million, three hundred five thousand, four hundred twenty".