13500545301531 has 8 divisors (see below), whose sum is σ = 20000807854160. Its totient is φ = 9000363534336.

The previous prime is 13500545301527. The next prime is 13500545301563. The reversal of 13500545301531 is 13510354500531.

13500545301531 is a `hidden beast` number, since 1 + 3 + 50 + 0 + 5 + 45 + 30 + 1 + 531 = 666.

It is not a de Polignac number, because 13500545301531 - 2² = 13500545301527 is a prime.

It is a super-2 number, since 2×13500545301531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13500545301521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250010098150 + ... + 250010098203.

It is an arithmetic number, because the mean of its divisors is an integer number (2500100981770).

Almost surely, 2^{13500545301531} is an apocalyptic number.

13500545301531 is a deficient number, since it is larger than the sum of its proper divisors (6500262552629).

13500545301531 is an equidigital number, since it uses as much as digits as its factorization.

13500545301531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500020196362 (or 500020196356 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 13500545301531 in words is "thirteen trillion, five hundred billion, five hundred forty-five million, three hundred one thousand, five hundred thirty-one".