521044112774 has 8 divisors (see below), whose sum is σ = 783477090120. Its totient is φ = 259885082736.

The previous prime is 521044112773. The next prime is 521044112777. The reversal of 521044112774 is 477211440125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521044112773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318485804 + ... + 318487439.

It is an arithmetic number, because the mean of its divisors is an integer number (97934636265).

Almost surely, 2^521044112774 is an apocalyptic number.

521044112774 is a deficient number, since it is larger than the sum of its proper divisors (262432977346).

521044112774 is a wasteful number, since it uses less digits than its factorization.

521044112774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636973654.

The product of its (nonzero) digits is 62720, while the sum is 38.

Adding to 521044112774 its reverse (477211440125), we get a palindrome (998255552899).

The spelling of 521044112774 in words is "five hundred twenty-one billion, forty-four million, one hundred twelve thousand, seven hundred seventy-four".