13551405120 has 336 divisors, whose sum is σ = 51354605952. Its totient is φ = 3252510720.

The previous prime is 13551405037. The next prime is 13551405139. The reversal of 13551405120 is 2150415531.

13551405120 is a `hidden beast` number, since 1 + 3 + 5 + 5 + 140 + 512 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3260964 + ... + 3265116.

Almost surely, 2^13551405120 is an apocalyptic number.

13551405120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551405120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25677302976).

13551405120 is an abundant number, since it is smaller than the sum of its proper divisors (37803200832).

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

13551405120 is a wasteful number, since it uses less digits than its factorization.

13551405120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 13551405120 in words is "thirteen billion, five hundred fifty-one million, four hundred five thousand, one hundred twenty".