13551846912 has 400 divisors, whose sum is σ = 42589274112. Its totient is φ = 4284887040.

The previous prime is 13551846911. The next prime is 13551846923. The reversal of 13551846912 is 21964815531.

It is a happy number.

13551846912 is a `hidden beast` number, since 1 + 3 + 5 + 518 + 46 + 91 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551846911) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 106707393 + ... + 106707519.

Almost surely, 2^13551846912 is an apocalyptic number.

13551846912 is a gapful number since it is divisible by the number (12) 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 13551846912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21294637056).

13551846912 is an abundant number, since it is smaller than the sum of its proper divisors (29037427200).

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

13551846912 is an equidigital number, since it uses as much as digits as its factorization.

13551846912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 246 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 13551846912 in words is "thirteen billion, five hundred fifty-one million, eight hundred forty-six thousand, nine hundred twelve".