53405071361 has 2 divisors, whose sum is σ = 53405071362. Its totient is φ = 53405071360.

The previous prime is 53405071271. The next prime is 53405071367. The reversal of 53405071361 is 16317050435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52455198961 + 949872400 = 229031^2 + 30820^2 .

It is a cyclic number.

It is not a de Polignac number, because 53405071361 - 2²⁶ = 53337962497 is a prime.

It is not a weakly prime, because it can be changed into another prime (53405071367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26702535680 + 26702535681.

It is an arithmetic number, because the mean of its divisors is an integer number (26702535681).

Almost surely, 2^53405071361 is an apocalyptic number.

It is an amenable number.

53405071361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53405071361 is an equidigital number, since it uses as much as digits as its factorization.

53405071361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 53405071361 in words is "fifty-three billion, four hundred five million, seventy-one thousand, three hundred sixty-one".