541771218120 has 128 divisors (see below), whose sum is σ = 1774483200000. Its totient is φ = 131233754880.

The previous prime is 541771218091. The next prime is 541771218133. The reversal of 541771218120 is 21812177145.

It is a super-3 number, since 3×541771218120³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1498881 + ... + 1824879.

It is an arithmetic number, because the mean of its divisors is an integer number (13863150000).

Almost surely, 2^541771218120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 541771218120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887241600000).

541771218120 is an abundant number, since it is smaller than the sum of its proper divisors (1232711981880).

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

541771218120 is a wasteful number, since it uses less digits than its factorization.

541771218120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327283 (or 327279 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 39.

The spelling of 541771218120 in words is "five hundred forty-one billion, seven hundred seventy-one million, two hundred eighteen thousand, one hundred twenty".