10501815013 has 2 divisors, whose sum is σ = 10501815014. Its totient is φ = 10501815012.

The previous prime is 10501815001. The next prime is 10501815017. The reversal of 10501815013 is 31051810501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10501740484 + 74529 = 102478^2 + 273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10501815013 is a prime.

It is a super-2 number, since 2×10501815013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10501815017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250907506 + 5250907507.

It is an arithmetic number, because the mean of its divisors is an integer number (5250907507).

Almost surely, 2^10501815013 is an apocalyptic number.

It is an amenable number.

10501815013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10501815013 is an equidigital number, since it uses as much as digits as its factorization.

10501815013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 10501815013 in words is "ten billion, five hundred one million, eight hundred fifteen thousand, thirteen".