2661325341113 has 8 divisors (see below), whose sum is σ = 2665806381960. Its totient is φ = 2656846350720.

The previous prime is 2661325341071. The next prime is 2661325341119. The reversal of 2661325341113 is 3111435231662.

It can be written as a sum of positive squares in 4 ways, for example, as 939674319424 + 1721651021689 = 969368^2 + 1312117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2661325341113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661325341119) 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, 2096573 + ... + 3117413.

It is an arithmetic number, because the mean of its divisors is an integer number (333225797745).

Almost surely, 2^{2661325341113} is an apocalyptic number.

It is an amenable number.

2661325341113 is a deficient number, since it is larger than the sum of its proper divisors (4481040847).

2661325341113 is a wasteful number, since it uses less digits than its factorization.

2661325341113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025227.

The product of its digits is 77760, while the sum is 38.

The spelling of 2661325341113 in words is "two trillion, six hundred sixty-one billion, three hundred twenty-five million, three hundred forty-one thousand, one hundred thirteen".