13520553143 has 2 divisors, whose sum is σ = 13520553144. Its totient is φ = 13520553142.

The previous prime is 13520553133. The next prime is 13520553191. The reversal of 13520553143 is 34135502531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13520553143 - 2¹⁴ = 13520536759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520553113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760276571 + 6760276572.

It is an arithmetic number, because the mean of its divisors is an integer number (6760276572).

Almost surely, 2^13520553143 is an apocalyptic number.

13520553143 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520553143 is an equidigital number, since it uses as much as digits as its factorization.

13520553143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 13520553143 in words is "thirteen billion, five hundred twenty million, five hundred fifty-three thousand, one hundred forty-three".