541531012120 has 64 divisors (see below), whose sum is σ = 1403138246400. Its totient is φ = 184250451840.

The previous prime is 541531012117. The next prime is 541531012159. The reversal of 541531012120 is 21210135145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7345150 + ... + 7418509.

It is an arithmetic number, because the mean of its divisors is an integer number (21924035100).

Almost surely, 2^541531012120 is an apocalyptic number.

It is an amenable number.

541531012120 is an abundant number, since it is smaller than the sum of its proper divisors (861607234280).

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

541531012120 is a wasteful number, since it uses less digits than its factorization.

541531012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14763808 (or 14763804 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 541531012120 its reverse (21210135145), we get a palindrome (562741147265).

The spelling of 541531012120 in words is "five hundred forty-one billion, five hundred thirty-one million, twelve thousand, one hundred twenty".