541066036521 has 16 divisors (see below), whose sum is σ = 763875451584. Its totient is φ = 339484629504.

The previous prime is 541066036519. The next prime is 541066036543. The reversal of 541066036521 is 125630660145.

541066036521 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 541066036521 - 2¹ = 541066036519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541066036521.

It is not an unprimeable number, because it can be changed into a prime (541066036501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2809885 + ... + 2996261.

It is an arithmetic number, because the mean of its divisors is an integer number (47742215724).

Almost surely, 2^541066036521 is an apocalyptic number.

541066036521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

541066036521 is a deficient number, since it is larger than the sum of its proper divisors (222809415063).

541066036521 is a wasteful number, since it uses less digits than its factorization.

541066036521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243320.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 541066036521 its reverse (125630660145), we get a palindrome (666696696666).

The spelling of 541066036521 in words is "five hundred forty-one billion, sixty-six million, thirty-six thousand, five hundred twenty-one".