11554403405420 has 96 divisors (see below), whose sum is σ = 25000819905600. Its totient is φ = 4482967265280.

The previous prime is 11554403405411. The next prime is 11554403405429. The reversal of 11554403405420 is 2450430445511.

It is an interprime number because it is at equal distance from previous prime (11554403405411) and next prime (11554403405429).

It is not an unprimeable number, because it can be changed into a prime (11554403405429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830468384 + ... + 830482296.

It is an arithmetic number, because the mean of its divisors is an integer number (260425207350).

Almost surely, 2^{11554403405420} is an apocalyptic number.

11554403405420 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 11554403405420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12500409952800).

11554403405420 is an abundant number, since it is smaller than the sum of its proper divisors (13446416500180).

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

11554403405420 is a wasteful number, since it uses less digits than its factorization.

11554403405420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20595 (or 20593 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 11554403405420 in words is "eleven trillion, five hundred fifty-four billion, four hundred three million, four hundred five thousand, four hundred twenty".