52155255121 has 2 divisors, whose sum is σ = 52155255122. Its totient is φ = 52155255120.

The previous prime is 52155255083. The next prime is 52155255149. The reversal of 52155255121 is 12155255125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51751245121 + 404010000 = 227489^2 + 20100^2 .

It is a cyclic number.

It is not a de Polignac number, because 52155255121 - 2³³ = 43565320529 is a prime.

It is not a weakly prime, because it can be changed into another prime (52155255181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26077627560 + 26077627561.

It is an arithmetic number, because the mean of its divisors is an integer number (26077627561).

Almost surely, 2^52155255121 is an apocalyptic number.

It is an amenable number.

52155255121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52155255121 is an equidigital number, since it uses as much as digits as its factorization.

52155255121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25000, while the sum is 34.

The spelling of 52155255121 in words is "fifty-two billion, one hundred fifty-five million, two hundred fifty-five thousand, one hundred twenty-one".