520535545141 has 4 divisors (see below), whose sum is σ = 547932152800. Its totient is φ = 493138937484.

The previous prime is 520535545097. The next prime is 520535545151. The reversal of 520535545141 is 141545535025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520535545141 - 2⁹ = 520535544629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520535545094 and 520535545103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520535545151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13698303801 + ... + 13698303838.

It is an arithmetic number, because the mean of its divisors is an integer number (136983038200).

Almost surely, 2^520535545141 is an apocalyptic number.

It is an amenable number.

520535545141 is a deficient number, since it is larger than the sum of its proper divisors (27396607659).

520535545141 is a wasteful number, since it uses less digits than its factorization.

520535545141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27396607658.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 520535545141 in words is "five hundred twenty billion, five hundred thirty-five million, five hundred forty-five thousand, one hundred forty-one".