13255564523 has 8 divisors (see below), whose sum is σ = 13573548000. Its totient is φ = 12940095168.

The previous prime is 13255564477. The next prime is 13255564577. The reversal of 13255564523 is 32546555231.

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 13255564523 - 2⁶ = 13255564459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13255564123) 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, 617858 + ... + 638951.

It is an arithmetic number, because the mean of its divisors is an integer number (1696693500).

Almost surely, 2^13255564523 is an apocalyptic number.

13255564523 is a deficient number, since it is larger than the sum of its proper divisors (317983477).

13255564523 is a wasteful number, since it uses less digits than its factorization.

13255564523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257061.

The product of its digits is 540000, while the sum is 41.

The spelling of 13255564523 in words is "thirteen billion, two hundred fifty-five million, five hundred sixty-four thousand, five hundred twenty-three".