53104213121 has 2 divisors, whose sum is σ = 53104213122. Its totient is φ = 53104213120.

The previous prime is 53104213103. The next prime is 53104213133. The reversal of 53104213121 is 12131240135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35932993600 + 17171219521 = 189560^2 + 131039^2 .

It is a cyclic number.

It is not a de Polignac number, because 53104213121 - 2²² = 53100018817 is a prime.

It is not a weakly prime, because it can be changed into another prime (53104212121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26552106560 + 26552106561.

It is an arithmetic number, because the mean of its divisors is an integer number (26552106561).

Almost surely, 2^53104213121 is an apocalyptic number.

It is an amenable number.

53104213121 is a deficient number, since it is larger than the sum of its proper divisors (1).

53104213121 is an equidigital number, since it uses as much as digits as its factorization.

53104213121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 53104213121 its reverse (12131240135), we get a palindrome (65235453256).

The spelling of 53104213121 in words is "fifty-three billion, one hundred four million, two hundred thirteen thousand, one hundred twenty-one".