520611115340111 has 8 divisors (see below), whose sum is σ = 521252636318400. Its totient is φ = 519969626946720.

The previous prime is 520611115340047. The next prime is 520611115340237. The reversal of 520611115340111 is 111043511116025.

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

It is a cyclic number.

It is not a de Polignac number, because 520611115340111 - 2⁶ = 520611115340047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520611115390111) 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, 23905241 + ... + 40158221.

It is an arithmetic number, because the mean of its divisors is an integer number (65156579539800).

Almost surely, 2^{520611115340111} is an apocalyptic number.

520611115340111 is a deficient number, since it is larger than the sum of its proper divisors (641520978289).

520611115340111 is a wasteful number, since it uses less digits than its factorization.

520611115340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292449.

The product of its (nonzero) digits is 3600, while the sum is 32.

Adding to 520611115340111 its reverse (111043511116025), we get a palindrome (631654626456136).

The spelling of 520611115340111 in words is "five hundred twenty trillion, six hundred eleven billion, one hundred fifteen million, three hundred forty thousand, one hundred eleven".