11889663708825 has 72 divisors (see below), whose sum is σ = 24797159719488. Its totient is φ = 5332722445440.

The previous prime is 11889663708701. The next prime is 11889663708829. The reversal of 11889663708825 is 52880736698811.

11889663708825 is a `hidden beast` number, since 11 + 88 + 96 + 6 + 370 + 8 + 82 + 5 = 666.

It is not a de Polignac number, because 11889663708825 - 2⁹ = 11889663708313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11889663708829) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 71133439 + ... + 71300388.

It is an arithmetic number, because the mean of its divisors is an integer number (344404996104).

Almost surely, 2^{11889663708825} is an apocalyptic number.

11889663708825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11889663708825 is an abundant number, since it is smaller than the sum of its proper divisors (12907496010663).

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

11889663708825 is a wasteful number, since it uses less digits than its factorization.

11889663708825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142433903 (or 142433895 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 72.

The spelling of 11889663708825 in words is "eleven trillion, eight hundred eighty-nine billion, six hundred sixty-three million, seven hundred eight thousand, eight hundred twenty-five".