13665751452 has 36 divisors (see below), whose sum is σ = 35658307776. Its totient is φ = 4408306560.

The previous prime is 13665751433. The next prime is 13665751523. The reversal of 13665751452 is 25415756631.

13665751452 is a `hidden beast` number, since 1 + 3 + 66 + 575 + 14 + 5 + 2 = 666.

13665751452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 13665751398 and 13665751407.

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 11 ways as a sum of consecutive naturals, for example, 6121533 + ... + 6123764.

Almost surely, 2^13665751452 is an apocalyptic number.

13665751452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13665751452 is an abundant number, since it is smaller than the sum of its proper divisors (21992556324).

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

13665751452 is a wasteful number, since it uses less digits than its factorization.

13665751452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12245338 (or 12245333 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 13665751452 in words is "thirteen billion, six hundred sixty-five million, seven hundred fifty-one thousand, four hundred fifty-two".