521355123344414 has 32 divisors (see below), whose sum is σ = 793246059900000. Its totient is φ = 256944331298304.

The previous prime is 521355123344387. The next prime is 521355123344431. The reversal of 521355123344414 is 414443321553125.

It is a super-2 number, since 2×521355123344414² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488351962 + ... + 1488702210.

It is an arithmetic number, because the mean of its divisors is an integer number (24788939371875).

Almost surely, 2^{521355123344414} is an apocalyptic number.

521355123344414 is a deficient number, since it is larger than the sum of its proper divisors (271890936555586).

521355123344414 is a wasteful number, since it uses less digits than its factorization.

521355123344414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356732.

The product of its digits is 3456000, while the sum is 47.

Adding to 521355123344414 its reverse (414443321553125), we get a palindrome (935798444897539).

The spelling of 521355123344414 in words is "five hundred twenty-one trillion, three hundred fifty-five billion, one hundred twenty-three million, three hundred forty-four thousand, four hundred fourteen".