11354022505540 has 144 divisors (see below), whose sum is σ = 28272221240256. Its totient is φ = 3804641660160.

The previous prime is 11354022505487. The next prime is 11354022505601. The reversal of 11354022505540 is 4550522045311.

It is a self number, because there is not a number n which added to its sum of digits gives 11354022505540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18159607 + ... + 18774433.

It is an arithmetic number, because the mean of its divisors is an integer number (196334869724).

Almost surely, 2^{11354022505540} is an apocalyptic number.

11354022505540 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 11354022505540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14136110620128).

11354022505540 is an abundant number, since it is smaller than the sum of its proper divisors (16918198734716).

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

11354022505540 is a wasteful number, since it uses less digits than its factorization.

11354022505540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615458 (or 615445 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 11354022505540 in words is "eleven trillion, three hundred fifty-four billion, twenty-two million, five hundred five thousand, five hundred forty".