13240503533 has 16 divisors (see below), whose sum is σ = 14814731520. Its totient is φ = 11759763456.

The previous prime is 13240503517. The next prime is 13240503547. The reversal of 13240503533 is 33530504231.

It is a cyclic number.

It is not a de Polignac number, because 13240503533 - 2⁴ = 13240503517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13240503496 and 13240503505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240503503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3260 + ... + 162762.

It is an arithmetic number, because the mean of its divisors is an integer number (925920720).

Almost surely, 2^13240503533 is an apocalyptic number.

It is an amenable number.

13240503533 is a deficient number, since it is larger than the sum of its proper divisors (1574227987).

13240503533 is a wasteful number, since it uses less digits than its factorization.

13240503533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159796.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 13240503533 in words is "thirteen billion, two hundred forty million, five hundred three thousand, five hundred thirty-three".