10156503260161 has 2 divisors, whose sum is σ = 10156503260162. Its totient is φ = 10156503260160.

The previous prime is 10156503260159. The next prime is 10156503260227. The reversal of 10156503260161 is 16106230565101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10124767619136 + 31735641025 = 3181944^2 + 178145^2 .

It is a cyclic number.

It is not a de Polignac number, because 10156503260161 - 2¹ = 10156503260159 is a prime.

It is a super-2 number, since 2×10156503260161² (a number of 27 digits) contains 22 as substring.

Together with 10156503260159, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10156503260161.

It is not a weakly prime, because it can be changed into another prime (10156503263161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078251630080 + 5078251630081.

It is an arithmetic number, because the mean of its divisors is an integer number (5078251630081).

Almost surely, 2^{10156503260161} is an apocalyptic number.

It is an amenable number.

10156503260161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10156503260161 is an equidigital number, since it uses as much as digits as its factorization.

10156503260161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 10156503260161 in words is "ten trillion, one hundred fifty-six billion, five hundred three million, two hundred sixty thousand, one hundred sixty-one".