13625601559 has 4 divisors (see below), whose sum is σ = 13654778904. Its totient is φ = 13596424216.

The previous prime is 13625601533. The next prime is 13625601601. The reversal of 13625601559 is 95510652631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95510652631 = 439 ⋅217564129.

It is a cyclic number.

It is not a de Polignac number, because 13625601559 - 2¹⁵ = 13625568791 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 (13625601859) 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, 14587972 + ... + 14588905.

It is an arithmetic number, because the mean of its divisors is an integer number (3413694726).

Almost surely, 2^13625601559 is an apocalyptic number.

13625601559 is a deficient number, since it is larger than the sum of its proper divisors (29177345).

13625601559 is an equidigital number, since it uses as much as digits as its factorization.

13625601559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177344.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 13625601559 in words is "thirteen billion, six hundred twenty-five million, six hundred one thousand, five hundred fifty-nine".