541522000818 has 54 divisors (see below), whose sum is σ = 1215354533367. Its totient is φ = 174253803360.

The previous prime is 541522000813. The next prime is 541522000843. The reversal of 541522000818 is 818000225145.

541522000818 is a `hidden beast` number, since 5 + 415 + 220 + 0 + 0 + 8 + 18 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 19144319769 + 522377681049 = 138363^2 + 722757^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=520347.

It is not an unprimeable number, because it can be changed into a prime (541522000813) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 90537388 + ... + 90543368.

Almost surely, 2^541522000818 is an apocalyptic number.

541522000818 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 541522000818

541522000818 is an abundant number, since it is smaller than the sum of its proper divisors (673832532549).

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

541522000818 is an frugal number, since it uses more digits than its factorization.

541522000818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12028 (or 6015 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 541522000818 in words is "five hundred forty-one billion, five hundred twenty-two million, eight hundred eighteen", and thus it is an aban number.