43621061125425 has 192 divisors, whose sum is σ = 84722437416960. Its totient is φ = 19393015265280.

The previous prime is 43621061125423. The next prime is 43621061125451. The reversal of 43621061125425 is 52452116012634.

43621061125425 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 43621061125425 - 2¹ = 43621061125423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43621061125423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1243349934 + ... + 1243385016.

It is an arithmetic number, because the mean of its divisors is an integer number (441262694880).

Almost surely, 2^{43621061125425} is an apocalyptic number.

It is an amenable number.

43621061125425 is a deficient number, since it is larger than the sum of its proper divisors (41101376291535).

43621061125425 is a wasteful number, since it uses less digits than its factorization.

43621061125425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35592 (or 35587 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 43621061125425 in words is "forty-three trillion, six hundred twenty-one billion, sixty-one million, one hundred twenty-five thousand, four hundred twenty-five".