11354544420 has 48 divisors (see below), whose sum is σ = 32175783360. Its totient is φ = 2991396736.

The previous prime is 11354544413. The next prime is 11354544451. The reversal of 11354544420 is 2444545311.

It is a happy number.

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, 1135035 + ... + 1144994.

It is an arithmetic number, because the mean of its divisors is an integer number (670328820).

Almost surely, 2^11354544420 is an apocalyptic number.

11354544420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11354544420 is an abundant number, since it is smaller than the sum of its proper divisors (20821238940).

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

11354544420 is a wasteful number, since it uses less digits than its factorization.

11354544420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280124 (or 2280122 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 11354544420 in words is "eleven billion, three hundred fifty-four million, five hundred forty-four thousand, four hundred twenty".