13551013405500 has 48 divisors (see below), whose sum is σ = 39460551041184. Its totient is φ = 3613603574400.

The previous prime is 13551013405453. The next prime is 13551013405547. The reversal of 13551013405500 is 550431015531.

13551013405500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13551013405453) and next prime (13551013405547).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4517002969 + ... + 4517005968.

It is an arithmetic number, because the mean of its divisors is an integer number (822094813358).

Almost surely, 2^{13551013405500} is an apocalyptic number.

13551013405500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551013405500 is an abundant number, since it is smaller than the sum of its proper divisors (25909537635684).

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

13551013405500 is a wasteful number, since it uses less digits than its factorization.

13551013405500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034008959 (or 9034008947 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 13551013405500 in words is "thirteen trillion, five hundred fifty-one billion, thirteen million, four hundred five thousand, five hundred".