542561444116 has 6 divisors (see below), whose sum is σ = 949482527210. Its totient is φ = 271280722056.

The previous prime is 542561444107. The next prime is 542561444119. The reversal of 542561444116 is 611444165245.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 424400131600 + 118161312516 = 651460^2 + 343746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542561444119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67820180511 + ... + 67820180518.

Almost surely, 2^542561444116 is an apocalyptic number.

It is an amenable number.

542561444116 is a deficient number, since it is larger than the sum of its proper divisors (406921083094).

542561444116 is a wasteful number, since it uses less digits than its factorization.

542561444116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135640361033 (or 135640361031 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The spelling of 542561444116 in words is "five hundred forty-two billion, five hundred sixty-one million, four hundred forty-four thousand, one hundred sixteen".