13255651601 has 4 divisors (see below), whose sum is σ = 13263624192. Its totient is φ = 13247679012.

The previous prime is 13255651589. The next prime is 13255651609. The reversal of 13255651601 is 10615655231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13255651601 - 2⁶ = 13255651537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13255651609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983801 + ... + 3987126.

It is an arithmetic number, because the mean of its divisors is an integer number (3315906048).

Almost surely, 2^13255651601 is an apocalyptic number.

It is an amenable number.

13255651601 is a deficient number, since it is larger than the sum of its proper divisors (7972591).

13255651601 is an equidigital number, since it uses as much as digits as its factorization.

13255651601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7972590.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 13255651601 in words is "thirteen billion, two hundred fifty-five million, six hundred fifty-one thousand, six hundred one".