12915498180833 has 4 divisors (see below), whose sum is σ = 12915519103428. Its totient is φ = 12915477258240.

The previous prime is 12915498180829. The next prime is 12915498180847. The reversal of 12915498180833 is 33808189451921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9470587714624 + 3444910466209 = 3077432^2 + 1856047^2 .

It is a cyclic number.

It is not a de Polignac number, because 12915498180833 - 2² = 12915498180829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12915498180803) 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, 9506288 + ... + 10779633.

It is an arithmetic number, because the mean of its divisors is an integer number (3228879775857).

Almost surely, 2^{12915498180833} is an apocalyptic number.

It is an amenable number.

12915498180833 is a deficient number, since it is larger than the sum of its proper divisors (20922595).

12915498180833 is an equidigital number, since it uses as much as digits as its factorization.

12915498180833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922594.

The product of its (nonzero) digits is 14929920, while the sum is 62.

The spelling of 12915498180833 in words is "twelve trillion, nine hundred fifteen billion, four hundred ninety-eight million, one hundred eighty thousand, eight hundred thirty-three".