522112544042 has 4 divisors (see below), whose sum is σ = 783168816066. Its totient is φ = 261056272020.

The previous prime is 522112543961. The next prime is 522112544101. The reversal of 522112544042 is 240445211225.

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

It can be written as a sum of positive squares in only one way, i.e., 379703672401 + 142408871641 = 616201^2 + 377371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130528136009 + ... + 130528136012.

Almost surely, 2^522112544042 is an apocalyptic number.

522112544042 is a deficient number, since it is larger than the sum of its proper divisors (261056272024).

522112544042 is a wasteful number, since it uses less digits than its factorization.

522112544042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261056272023.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 522112544042 its reverse (240445211225), we get a palindrome (762557755267).

The spelling of 522112544042 in words is "five hundred twenty-two billion, one hundred twelve million, five hundred forty-four thousand, forty-two".