13855557025 has 24 divisors (see below), whose sum is σ = 17303088960. Its totient is φ = 11005784640.

The previous prime is 13855557011. The next prime is 13855557047. The reversal of 13855557025 is 52075555831.

13855557025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13855557025 - 2¹⁷ = 13855425953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249846 + ... + 4253104.

It is an arithmetic number, because the mean of its divisors is an integer number (720962040).

Almost surely, 2^13855557025 is an apocalyptic number.

It is an amenable number.

13855557025 is a deficient number, since it is larger than the sum of its proper divisors (3447531935).

13855557025 is a wasteful number, since it uses less digits than its factorization.

13855557025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4420 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 46.

The spelling of 13855557025 in words is "thirteen billion, eight hundred fifty-five million, five hundred fifty-seven thousand, twenty-five".