13255612611 has 4 divisors (see below), whose sum is σ = 17674150152. Its totient is φ = 8837075072.

The previous prime is 13255612603. The next prime is 13255612619. The reversal of 13255612611 is 11621655231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11621655231 = 3 ⋅3873885077.

It is an interprime number because it is at equal distance from previous prime (13255612603) and next prime (13255612619).

It is a cyclic number.

It is not a de Polignac number, because 13255612611 - 2³ = 13255612603 is a prime.

It is a super-2 number, since 2×13255612611² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13255612619) 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, 2209268766 + ... + 2209268771.

It is an arithmetic number, because the mean of its divisors is an integer number (4418537538).

Almost surely, 2^13255612611 is an apocalyptic number.

13255612611 is a deficient number, since it is larger than the sum of its proper divisors (4418537541).

13255612611 is an equidigital number, since it uses as much as digits as its factorization.

13255612611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418537540.

The product of its digits is 10800, while the sum is 33.

The spelling of 13255612611 in words is "thirteen billion, two hundred fifty-five million, six hundred twelve thousand, six hundred eleven".