13321540501 has 8 divisors (see below), whose sum is σ = 13577756544. Its totient is φ = 13067229840.

The previous prime is 13321540483. The next prime is 13321540523. The reversal of 13321540501 is 10504512331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13321540501 - 2²⁵ = 13287986069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13324540501) 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, 462225 + ... + 490198.

It is an arithmetic number, because the mean of its divisors is an integer number (1697219568).

Almost surely, 2^13321540501 is an apocalyptic number.

It is an amenable number.

13321540501 is a deficient number, since it is larger than the sum of its proper divisors (256216043).

13321540501 is an equidigital number, since it uses as much as digits as its factorization.

13321540501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952691.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 13321540501 in words is "thirteen billion, three hundred twenty-one million, five hundred forty thousand, five hundred one".