542013231511 has 4 divisors (see below), whose sum is σ = 542251690992. Its totient is φ = 541774772032.

The previous prime is 542013231497. The next prime is 542013231523. The reversal of 542013231511 is 115132310245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115132310245 = 5 ⋅23026462049.

It is a cyclic number.

It is not a de Polignac number, because 542013231511 - 2²³ = 542004842903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542013231511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542013231541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119226331 + ... + 119230876.

It is an arithmetic number, because the mean of its divisors is an integer number (135562922748).

Almost surely, 2^542013231511 is an apocalyptic number.

542013231511 is a deficient number, since it is larger than the sum of its proper divisors (238459481).

542013231511 is a wasteful number, since it uses less digits than its factorization.

542013231511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238459480.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 542013231511 its reverse (115132310245), we get a palindrome (657145541756).

The spelling of 542013231511 in words is "five hundred forty-two billion, thirteen million, two hundred thirty-one thousand, five hundred eleven".