521111057014 has 16 divisors (see below), whose sum is σ = 802849166928. Its totient is φ = 253495658592.

The previous prime is 521111057011. The next prime is 521111057029. The reversal of 521111057014 is 410750111125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521111057011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844029 + ... + 1324615.

It is an arithmetic number, because the mean of its divisors is an integer number (50178072933).

Almost surely, 2^521111057014 is an apocalyptic number.

521111057014 is a deficient number, since it is larger than the sum of its proper divisors (281738109914).

521111057014 is a wasteful number, since it uses less digits than its factorization.

521111057014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495279.

The product of its (nonzero) digits is 1400, while the sum is 28.

Adding to 521111057014 its reverse (410750111125), we get a palindrome (931861168139).

The spelling of 521111057014 in words is "five hundred twenty-one billion, one hundred eleven million, fifty-seven thousand, fourteen".