520150534534391 has 2 divisors, whose sum is σ = 520150534534392. Its totient is φ = 520150534534390.

The previous prime is 520150534534373. The next prime is 520150534534409. The reversal of 520150534534391 is 193435435051025.

It is a balanced prime because it is at equal distance from previous prime (520150534534373) and next prime (520150534534409).

It is a cyclic number.

It is not a de Polignac number, because 520150534534391 - 2²⁶ = 520150467425527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520150534534331) 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, 260075267267195 + 260075267267196.

It is an arithmetic number, because the mean of its divisors is an integer number (260075267267196).

Almost surely, 2^{520150534534391} is an apocalyptic number.

520150534534391 is a deficient number, since it is larger than the sum of its proper divisors (1).

520150534534391 is an equidigital number, since it uses as much as digits as its factorization.

520150534534391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 520150534534391 in words is "five hundred twenty trillion, one hundred fifty billion, five hundred thirty-four million, five hundred thirty-four thousand, three hundred ninety-one".