501315115151 has 2 divisors, whose sum is σ = 501315115152. Its totient is φ = 501315115150.

The previous prime is 501315115141. The next prime is 501315115163. The reversal of 501315115151 is 151511513105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501315115151 - 2⁶ = 501315115087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501315115141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250657557575 + 250657557576.

It is an arithmetic number, because the mean of its divisors is an integer number (250657557576).

Almost surely, 2^501315115151 is an apocalyptic number.

501315115151 is a deficient number, since it is larger than the sum of its proper divisors (1).

501315115151 is an equidigital number, since it uses as much as digits as its factorization.

501315115151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1875, while the sum is 29.

Adding to 501315115151 its reverse (151511513105), we get a palindrome (652826628256).

The spelling of 501315115151 in words is "five hundred one billion, three hundred fifteen million, one hundred fifteen thousand, one hundred fifty-one".