52016133121 has 2 divisors, whose sum is σ = 52016133122. Its totient is φ = 52016133120.

The previous prime is 52016133109. The next prime is 52016133193. The reversal of 52016133121 is 12133161025.

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., 43237380096 + 8778753025 = 207936^2 + 93695^2 .

It is a cyclic number.

It is not a de Polignac number, because 52016133121 - 2¹³ = 52016124929 is a prime.

It is not a weakly prime, because it can be changed into another prime (52016133101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26008066560 + 26008066561.

It is an arithmetic number, because the mean of its divisors is an integer number (26008066561).

Almost surely, 2^52016133121 is an apocalyptic number.

It is an amenable number.

52016133121 is a deficient number, since it is larger than the sum of its proper divisors (1).

52016133121 is an equidigital number, since it uses as much as digits as its factorization.

52016133121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 52016133121 its reverse (12133161025), we get a palindrome (64149294146).

The spelling of 52016133121 in words is "fifty-two billion, sixteen million, one hundred thirty-three thousand, one hundred twenty-one".