13551105432 has 32 divisors (see below), whose sum is σ = 33948518400. Its totient is φ = 4507601184.

The previous prime is 13551105319. The next prime is 13551105439. The reversal of 13551105432 is 23450115531.

It is a self number, because there is not a number n which added to its sum of digits gives 13551105432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551105439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577888 + ... + 600879.

It is an arithmetic number, because the mean of its divisors is an integer number (1060891200).

Almost surely, 2^13551105432 is an apocalyptic number.

13551105432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13551105432 is an abundant number, since it is smaller than the sum of its proper divisors (20397412968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13551105432 is a wasteful number, since it uses less digits than its factorization.

13551105432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179255 (or 1179251 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13551105432 in words is "thirteen billion, five hundred fifty-one million, one hundred five thousand, four hundred thirty-two".