13335655261 has 8 divisors (see below), whose sum is σ = 13592890584. Its totient is φ = 13078628160.

The previous prime is 13335655259. The next prime is 13335655279. The reversal of 13335655261 is 16255653331.

It can be written as a sum of positive squares in 4 ways, for example, as 2850919236 + 10484736025 = 53394^2 + 102395^2 .

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 13335655261 - 2¹ = 13335655259 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 (13335655061) 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, 80491 + ... + 182071.

It is an arithmetic number, because the mean of its divisors is an integer number (1699111323).

Almost surely, 2^13335655261 is an apocalyptic number.

It is an amenable number.

13335655261 is a deficient number, since it is larger than the sum of its proper divisors (257235323).

13335655261 is a wasteful number, since it uses less digits than its factorization.

13335655261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104111.

The product of its digits is 243000, while the sum is 40.

The spelling of 13335655261 in words is "thirteen billion, three hundred thirty-five million, six hundred fifty-five thousand, two hundred sixty-one".