52156360510321 has 2 divisors, whose sum is σ = 52156360510322. Its totient is φ = 52156360510320.

The previous prime is 52156360510301. The next prime is 52156360510367. The reversal of 52156360510321 is 12301506365125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36006732314721 + 16149628195600 = 6000561^2 + 4018660^2 .

It is a cyclic number.

It is not a de Polignac number, because 52156360510321 - 2³¹ = 52154213026673 is a prime.

It is not a weakly prime, because it can be changed into another prime (52156360510301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26078180255160 + 26078180255161.

It is an arithmetic number, because the mean of its divisors is an integer number (26078180255161).

Almost surely, 2^{52156360510321} is an apocalyptic number.

It is an amenable number.

52156360510321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52156360510321 is an equidigital number, since it uses as much as digits as its factorization.

52156360510321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

Adding to 52156360510321 its reverse (12301506365125), we get a palindrome (64457866875446).

The spelling of 52156360510321 in words is "fifty-two trillion, one hundred fifty-six billion, three hundred sixty million, five hundred ten thousand, three hundred twenty-one".