13155197567 has 4 divisors (see below), whose sum is σ = 13929032736. Its totient is φ = 12381362400.

The previous prime is 13155197563. The next prime is 13155197617. The reversal of 13155197567 is 76579155131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76579155131 = 19 ⋅4030481849.

It is a cyclic number.

It is not a de Polignac number, because 13155197567 - 2² = 13155197563 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 (13155197563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386917559 + ... + 386917592.

It is an arithmetic number, because the mean of its divisors is an integer number (3482258184).

Almost surely, 2^13155197567 is an apocalyptic number.

13155197567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13155197567 is a deficient number, since it is larger than the sum of its proper divisors (773835169).

13155197567 is an equidigital number, since it uses as much as digits as its factorization.

13155197567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773835168.

The product of its digits is 992250, while the sum is 50.

The spelling of 13155197567 in words is "thirteen billion, one hundred fifty-five million, one hundred ninety-seven thousand, five hundred sixty-seven".