13551855430 has 16 divisors (see below), whose sum is σ = 24422994144. Its totient is φ = 5414152320.

The previous prime is 13551855407. The next prime is 13551855463. The reversal of 13551855430 is 3455815531.

13551855430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 815091 + ... + 831550.

It is an arithmetic number, because the mean of its divisors is an integer number (1526437134).

Almost surely, 2^13551855430 is an apocalyptic number.

13551855430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13551855430 is a deficient number, since it is larger than the sum of its proper divisors (10871138714).

13551855430 is a wasteful number, since it uses less digits than its factorization.

13551855430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647471.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 13551855430 in words is "thirteen billion, five hundred fifty-one million, eight hundred fifty-five thousand, four hundred thirty".