542125351886 has 4 divisors (see below), whose sum is σ = 813188027832. Its totient is φ = 271062675942.

The previous prime is 542125351847. The next prime is 542125351897. The reversal of 542125351886 is 688153521245.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135531337970 + ... + 135531337973.

It is an arithmetic number, because the mean of its divisors is an integer number (203297006958).

Almost surely, 2^542125351886 is an apocalyptic number.

542125351886 is a deficient number, since it is larger than the sum of its proper divisors (271062675946).

542125351886 is a wasteful number, since it uses less digits than its factorization.

542125351886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271062675945.

The product of its digits is 2304000, while the sum is 50.

The spelling of 542125351886 in words is "five hundred forty-two billion, one hundred twenty-five million, three hundred fifty-one thousand, eight hundred eighty-six".