13500533211025 has 24 divisors (see below), whose sum is σ = 19133478246080. Its totient is φ = 9256882340160.

The previous prime is 13500533211017. The next prime is 13500533211031. The reversal of 13500533211025 is 52011233500531.

It is not a de Polignac number, because 13500533211025 - 2³ = 13500533211017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6810 + ... + 5196259.

Almost surely, 2^{13500533211025} is an apocalyptic number.

It is an amenable number.

13500533211025 is a deficient number, since it is larger than the sum of its proper divisors (5632945035055).

13500533211025 is a wasteful number, since it uses less digits than its factorization.

13500533211025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217913 (or 5217908 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 13500533211025 its reverse (52011233500531), we get a palindrome (65511766711556).

The spelling of 13500533211025 in words is "thirteen trillion, five hundred billion, five hundred thirty-three million, two hundred eleven thousand, twenty-five".