12354665133825 has 72 divisors (see below), whose sum is σ = 25303993024128. Its totient is φ = 5644678026240.

The previous prime is 12354665133799. The next prime is 12354665133847. The reversal of 12354665133825 is 52833156645321.

12354665133825 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 46 + 6 + 513 + 3 + 82 + 5 = 666.

12354665133825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12354665133825 - 2⁶ = 12354665133761 is a prime.

It is a super-2 number, since 2×12354665133825² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 608497 + ... + 5007953.

Almost surely, 2^{12354665133825} is an apocalyptic number.

12354665133825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12354665133825 is an abundant number, since it is smaller than the sum of its proper divisors (12949327890303).

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

12354665133825 is a wasteful number, since it uses less digits than its factorization.

12354665133825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401263 (or 4401255 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 12354665133825 in words is "twelve trillion, three hundred fifty-four billion, six hundred sixty-five million, one hundred thirty-three thousand, eight hundred twenty-five".