542252066605 has 8 divisors (see below), whose sum is σ = 650738477664. Its totient is φ = 433777654800.

The previous prime is 542252066597. The next prime is 542252066633. The reversal of 542252066605 is 506660252245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542252066605 - 2³ = 542252066597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2900091 + ... + 3081400.

It is an arithmetic number, because the mean of its divisors is an integer number (81342309708).

Almost surely, 2^542252066605 is an apocalyptic number.

It is an amenable number.

542252066605 is a deficient number, since it is larger than the sum of its proper divisors (108486411059).

542252066605 is a wasteful number, since it uses less digits than its factorization.

542252066605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999627.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 542252066605 in words is "five hundred forty-two billion, two hundred fifty-two million, sixty-six thousand, six hundred five".