52122121161571 has 2 divisors, whose sum is σ = 52122121161572. Its totient is φ = 52122121161570.

The previous prime is 52122121161553. The next prime is 52122121161581. The reversal of 52122121161571 is 17516112122125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52122121161571 - 2¹¹ = 52122121159523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52122121161571.

It is not a weakly prime, because it can be changed into another prime (52122121161581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26061060580785 + 26061060580786.

It is an arithmetic number, because the mean of its divisors is an integer number (26061060580786).

Almost surely, 2^{52122121161571} is an apocalyptic number.

52122121161571 is a deficient number, since it is larger than the sum of its proper divisors (1).

52122121161571 is an equidigital number, since it uses as much as digits as its factorization.

52122121161571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 37.

Adding to 52122121161571 its reverse (17516112122125), we get a palindrome (69638233283696).

The spelling of 52122121161571 in words is "fifty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred sixty-one thousand, five hundred seventy-one".