542505050365101 has 4 divisors (see below), whose sum is σ = 723340067153472. Its totient is φ = 361670033576732.

The previous prime is 542505050365079. The next prime is 542505050365133. The reversal of 542505050365101 is 101563050505245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542505050365101 - 2¹⁷ = 542505050234029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542505050365601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90417508394181 + ... + 90417508394186.

It is an arithmetic number, because the mean of its divisors is an integer number (180835016788368).

Almost surely, 2^{542505050365101} is an apocalyptic number.

It is an amenable number.

542505050365101 is a deficient number, since it is larger than the sum of its proper divisors (180835016788371).

542505050365101 is a wasteful number, since it uses less digits than its factorization.

542505050365101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180835016788370.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 542505050365101 in words is "five hundred forty-two trillion, five hundred five billion, fifty million, three hundred sixty-five thousand, one hundred one".