520053404411 has 4 divisors (see below), whose sum is σ = 520057016952. Its totient is φ = 520049791872.

The previous prime is 520053404369. The next prime is 520053404419. The reversal of 520053404411 is 114404350025.

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

It is a cyclic number.

It is not a de Polignac number, because 520053404411 - 2⁶ = 520053404347 is a prime.

It is a super-2 number, since 2×520053404411² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520053404419) 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, 1580966 + ... + 1881371.

It is an arithmetic number, because the mean of its divisors is an integer number (130014254238).

Almost surely, 2^520053404411 is an apocalyptic number.

520053404411 is a deficient number, since it is larger than the sum of its proper divisors (3612541).

520053404411 is a wasteful number, since it uses less digits than its factorization.

520053404411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612540.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 520053404411 its reverse (114404350025), we get a palindrome (634457754436).

The spelling of 520053404411 in words is "five hundred twenty billion, fifty-three million, four hundred four thousand, four hundred eleven".