18125241065397 has 96 divisors (see below), whose sum is σ = 27098665193600. Its totient is φ = 11667342435840.

The previous prime is 18125241065359. The next prime is 18125241065423. The reversal of 18125241065397 is 79356014252181.

18125241065397 is a `hidden beast` number, since 1 + 8 + 1 + 2 + 5 + 241 + 0 + 6 + 5 + 397 = 666.

It is not a de Polignac number, because 18125241065397 - 2⁶ = 18125241065333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18125241065597) 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 95 ways as a sum of consecutive naturals, for example, 14652579063 + ... + 14652580299.

It is a 2-persistent number, because it is pandigital, and so is 2⋅18125241065397 = 36250482130794, but 3⋅18125241065397 = 54375723196191 is not.

Almost surely, 2^{18125241065397} is an apocalyptic number.

It is an amenable number.

18125241065397 is a deficient number, since it is larger than the sum of its proper divisors (8973424128203).

18125241065397 is a wasteful number, since it uses less digits than its factorization.

18125241065397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 18125241065397 in words is "eighteen trillion, one hundred twenty-five billion, two hundred forty-one million, sixty-five thousand, three hundred ninety-seven".