542122889191 has 16 divisors (see below), whose sum is σ = 587155744000. Its totient is φ = 497568614400.

The previous prime is 542122889183. The next prime is 542122889201. The reversal of 542122889191 is 191988221245.

It is not a de Polignac number, because 542122889191 - 2³ = 542122889183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542122889171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839685 + ... + 4950433.

It is an arithmetic number, because the mean of its divisors is an integer number (36697234000).

Almost surely, 2^542122889191 is an apocalyptic number.

542122889191 is a deficient number, since it is larger than the sum of its proper divisors (45032854809).

542122889191 is a wasteful number, since it uses less digits than its factorization.

542122889191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112906.

The product of its digits is 829440, while the sum is 52.

The spelling of 542122889191 in words is "five hundred forty-two billion, one hundred twenty-two million, eight hundred eighty-nine thousand, one hundred ninety-one".