541131542542 has 4 divisors (see below), whose sum is σ = 811697313816. Its totient is φ = 270565771270.

The previous prime is 541131542509. The next prime is 541131542639. The reversal of 541131542542 is 245245131145.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135282885634 + ... + 135282885637.

It is an arithmetic number, because the mean of its divisors is an integer number (202924328454).

Almost surely, 2^541131542542 is an apocalyptic number.

541131542542 is a deficient number, since it is larger than the sum of its proper divisors (270565771274).

541131542542 is a wasteful number, since it uses less digits than its factorization.

541131542542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270565771273.

The product of its digits is 96000, while the sum is 37.

Adding to 541131542542 its reverse (245245131145), we get a palindrome (786376673687).

The spelling of 541131542542 in words is "five hundred forty-one billion, one hundred thirty-one million, five hundred forty-two thousand, five hundred forty-two".