13155115145 has 8 divisors (see below), whose sum is σ = 15788072904. Its totient is φ = 10522802304.

The previous prime is 13155115093. The next prime is 13155115153. The reversal of 13155115145 is 54151155131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28601104 + 13126514041 = 5348^2 + 114571^2 .

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 13155115145 - 2¹⁸ = 13154853001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115154 + ... + 198923.

It is an arithmetic number, because the mean of its divisors is an integer number (1973509113).

Almost surely, 2^13155115145 is an apocalyptic number.

It is an amenable number.

13155115145 is a deficient number, since it is larger than the sum of its proper divisors (2632957759).

13155115145 is an equidigital number, since it uses as much as digits as its factorization.

13155115145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322459.

The product of its digits is 7500, while the sum is 32.

The spelling of 13155115145 in words is "thirteen billion, one hundred fifty-five million, one hundred fifteen thousand, one hundred forty-five".