501315135247 has 2 divisors, whose sum is σ = 501315135248. Its totient is φ = 501315135246.

The previous prime is 501315135151. The next prime is 501315135253. The reversal of 501315135247 is 742531513105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 501315135247 - 2⁷ = 501315135119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501315135257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250657567623 + 250657567624.

It is an arithmetic number, because the mean of its divisors is an integer number (250657567624).

Almost surely, 2^501315135247 is an apocalyptic number.

501315135247 is a deficient number, since it is larger than the sum of its proper divisors (1).

501315135247 is an equidigital number, since it uses as much as digits as its factorization.

501315135247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 501315135247 in words is "five hundred one billion, three hundred fifteen million, one hundred thirty-five thousand, two hundred forty-seven".