10515165061391 has 2 divisors, whose sum is σ = 10515165061392. Its totient is φ = 10515165061390.

The previous prime is 10515165061339. The next prime is 10515165061469. The reversal of 10515165061391 is 19316056151501.

It is a weak prime.

It is an emirp because it is prime and its reverse (19316056151501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10515165061391 - 2¹⁸ = 10515164799247 is a prime.

It is a super-2 number, since 2×10515165061391² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10515165061321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5257582530695 + 5257582530696.

It is an arithmetic number, because the mean of its divisors is an integer number (5257582530696).

Almost surely, 2^{10515165061391} is an apocalyptic number.

10515165061391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10515165061391 is an equidigital number, since it uses as much as digits as its factorization.

10515165061391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 44.

The spelling of 10515165061391 in words is "ten trillion, five hundred fifteen billion, one hundred sixty-five million, sixty-one thousand, three hundred ninety-one".