13520207053 has 2 divisors, whose sum is σ = 13520207054. Its totient is φ = 13520207052.

The previous prime is 13520206991. The next prime is 13520207059. The reversal of 13520207053 is 35070202531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9381472164 + 4138734889 = 96858^2 + 64333^2 .

It is a cyclic number.

It is not a de Polignac number, because 13520207053 - 2²⁹ = 12983336141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520207059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760103526 + 6760103527.

It is an arithmetic number, because the mean of its divisors is an integer number (6760103527).

Almost surely, 2^13520207053 is an apocalyptic number.

It is an amenable number.

13520207053 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520207053 is an equidigital number, since it uses as much as digits as its factorization.

13520207053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

Adding to 13520207053 its reverse (35070202531), we get a palindrome (48590409584).

The spelling of 13520207053 in words is "thirteen billion, five hundred twenty million, two hundred seven thousand, fifty-three".