12191928425775 has 288 divisors, whose sum is σ = 25972857630720. Its totient is φ = 5350701680640.

The previous prime is 12191928425767. The next prime is 12191928425843. The reversal of 12191928425775 is 57752482919121.

12191928425775 is a `hidden beast` number, since 1 + 2 + 1 + 9 + 19 + 2 + 8 + 42 + 577 + 5 = 666.

12191928425775 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 12191928425775 - 2³ = 12191928425767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6931169346 + ... + 6931171104.

It is an arithmetic number, because the mean of its divisors is an integer number (90183533440).

Almost surely, 2^{12191928425775} is an apocalyptic number.

12191928425775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12191928425775 is an abundant number, since it is smaller than the sum of its proper divisors (13780929204945).

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

12191928425775 is a wasteful number, since it uses less digits than its factorization.

12191928425775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335 (or 3327 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 63.

The spelling of 12191928425775 in words is "twelve trillion, one hundred ninety-one billion, nine hundred twenty-eight million, four hundred twenty-five thousand, seven hundred seventy-five".