13251340555 has 8 divisors (see below), whose sum is σ = 15910137072. Its totient is φ = 10595386848.

The previous prime is 13251340547. The next prime is 13251340577. The reversal of 13251340555 is 55504315231.

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 13251340555 - 2³ = 13251340547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13251340555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700432 + ... + 719101.

It is an arithmetic number, because the mean of its divisors is an integer number (1988767134).

Almost surely, 2^13251340555 is an apocalyptic number.

13251340555 is a deficient number, since it is larger than the sum of its proper divisors (2658796517).

13251340555 is a wasteful number, since it uses less digits than its factorization.

13251340555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421405.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 13251340555 its reverse (55504315231), we get a palindrome (68755655786).

The spelling of 13251340555 in words is "thirteen billion, two hundred fifty-one million, three hundred forty thousand, five hundred fifty-five".