13531520159 has 2 divisors, whose sum is σ = 13531520160. Its totient is φ = 13531520158.

The previous prime is 13531520137. The next prime is 13531520221. The reversal of 13531520159 is 95102513531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13531520159 - 2²⁰ = 13530471583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531520459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765760079 + 6765760080.

It is an arithmetic number, because the mean of its divisors is an integer number (6765760080).

Almost surely, 2^13531520159 is an apocalyptic number.

13531520159 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531520159 is an equidigital number, since it uses as much as digits as its factorization.

13531520159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20250, while the sum is 35.

The spelling of 13531520159 in words is "thirteen billion, five hundred thirty-one million, five hundred twenty thousand, one hundred fifty-nine".