52152688121 has 2 divisors, whose sum is σ = 52152688122. Its totient is φ = 52152688120.

The previous prime is 52152688019. The next prime is 52152688127. The reversal of 52152688121 is 12188625125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51773996521 + 378691600 = 227539^2 + 19460^2 .

It is a cyclic number.

It is not a de Polignac number, because 52152688121 - 2¹⁸ = 52152425977 is a prime.

It is not a weakly prime, because it can be changed into another prime (52152688127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26076344060 + 26076344061.

It is an arithmetic number, because the mean of its divisors is an integer number (26076344061).

Almost surely, 2^52152688121 is an apocalyptic number.

It is an amenable number.

52152688121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52152688121 is an equidigital number, since it uses as much as digits as its factorization.

52152688121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 41.

The spelling of 52152688121 in words is "fifty-two billion, one hundred fifty-two million, six hundred eighty-eight thousand, one hundred twenty-one".