18052048120447 has 16 divisors (see below), whose sum is σ = 20757227512320. Its totient is φ = 15526516320000.

The previous prime is 18052048120399. The next prime is 18052048120451. The reversal of 18052048120447 is 74402184025081.

It is a cyclic number.

It is not a de Polignac number, because 18052048120447 - 2²³ = 18052039731839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18052048120397 and 18052048120406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052048129447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57348658 + ... + 57662575.

It is an arithmetic number, because the mean of its divisors is an integer number (1297326719520).

Almost surely, 2^{18052048120447} is an apocalyptic number.

18052048120447 is a deficient number, since it is larger than the sum of its proper divisors (2705179391873).

18052048120447 is a wasteful number, since it uses less digits than its factorization.

18052048120447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115012014.

The product of its (nonzero) digits is 573440, while the sum is 46.

The spelling of 18052048120447 in words is "eighteen trillion, fifty-two billion, forty-eight million, one hundred twenty thousand, four hundred forty-seven".