542033243511 has 4 divisors (see below), whose sum is σ = 722710991352. Its totient is φ = 361355495672.

The previous prime is 542033243491. The next prime is 542033243593. The reversal of 542033243511 is 115342330245.

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

It is a cyclic number.

It is not a de Polignac number, because 542033243511 - 2⁷ = 542033243383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542033243711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90338873916 + ... + 90338873921.

It is an arithmetic number, because the mean of its divisors is an integer number (180677747838).

Almost surely, 2^542033243511 is an apocalyptic number.

542033243511 is a deficient number, since it is larger than the sum of its proper divisors (180677747841).

542033243511 is a wasteful number, since it uses less digits than its factorization.

542033243511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180677747840.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 542033243511 its reverse (115342330245), we get a palindrome (657375573756).

The spelling of 542033243511 in words is "five hundred forty-two billion, thirty-three million, two hundred forty-three thousand, five hundred eleven".