520150534534901 has 2 divisors, whose sum is σ = 520150534534902. Its totient is φ = 520150534534900.

The previous prime is 520150534534847. The next prime is 520150534534907. The reversal of 520150534534901 is 109435435051025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501627848702500 + 18522685832401 = 22397050^2 + 4303799^2 .

It is a cyclic number.

It is not a de Polignac number, because 520150534534901 - 2⁶ = 520150534534837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520150534534907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260075267267450 + 260075267267451.

It is an arithmetic number, because the mean of its divisors is an integer number (260075267267451).

Almost surely, 2^{520150534534901} is an apocalyptic number.

It is an amenable number.

520150534534901 is a deficient number, since it is larger than the sum of its proper divisors (1).

520150534534901 is an equidigital number, since it uses as much as digits as its factorization.

520150534534901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620000, while the sum is 47.

Adding to 520150534534901 its reverse (109435435051025), we get a palindrome (629585969585926).

The spelling of 520150534534901 in words is "five hundred twenty trillion, one hundred fifty billion, five hundred thirty-four million, five hundred thirty-four thousand, nine hundred one".