13215503111 has 8 divisors (see below), whose sum is σ = 13381043760. Its totient is φ = 13050341568.

The previous prime is 13215503039. The next prime is 13215503117. The reversal of 13215503111 is 11130551231.

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 13215503111 - 2¹⁸ = 13215240967 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 (13215503117) 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, 24296 + ... + 164381.

It is an arithmetic number, because the mean of its divisors is an integer number (1672630470).

Almost surely, 2^13215503111 is an apocalyptic number.

13215503111 is a deficient number, since it is larger than the sum of its proper divisors (165540649).

13215503111 is an equidigital number, since it uses as much as digits as its factorization.

13215503111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189553.

The product of its (nonzero) digits is 450, while the sum is 23.

The spelling of 13215503111 in words is "thirteen billion, two hundred fifteen million, five hundred three thousand, one hundred eleven".