10812156397571 has 2 divisors, whose sum is σ = 10812156397572. Its totient is φ = 10812156397570.

The previous prime is 10812156397457. The next prime is 10812156397597. The reversal of 10812156397571 is 17579365121801.

10812156397571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10812156397571 - 2³⁴ = 10794976528387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12812156397571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5406078198785 + 5406078198786.

It is an arithmetic number, because the mean of its divisors is an integer number (5406078198786).

Almost surely, 2^{10812156397571} is an apocalyptic number.

10812156397571 is a deficient number, since it is larger than the sum of its proper divisors (1).

10812156397571 is an equidigital number, since it uses as much as digits as its factorization.

10812156397571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 10812156397571 in words is "ten trillion, eight hundred twelve billion, one hundred fifty-six million, three hundred ninety-seven thousand, five hundred seventy-one".