13099342878721 has 8 divisors (see below), whose sum is σ = 14290227522144. Its totient is φ = 11908464117120.

The previous prime is 13099342878593. The next prime is 13099342878737. The reversal of 13099342878721 is 12787824399031.

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 13099342878721 - 2⁷ = 13099342878593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13099342978721) 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, 4105521 + ... + 6561553.

It is an arithmetic number, because the mean of its divisors is an integer number (1786278440268).

Almost surely, 2^{13099342878721} is an apocalyptic number.

13099342878721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13099342878721 is a deficient number, since it is larger than the sum of its proper divisors (1190884643423).

13099342878721 is a wasteful number, since it uses less digits than its factorization.

13099342878721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940911.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 13099342878721 in words is "thirteen trillion, ninety-nine billion, three hundred forty-two million, eight hundred seventy-eight thousand, seven hundred twenty-one".