18063525053 has 4 divisors (see below), whose sum is σ = 20644028640. Its totient is φ = 15483021468.

The previous prime is 18063525047. The next prime is 18063525071. The reversal of 18063525053 is 35052536081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35052536081 = 1367 ⋅25641943.

It is a cyclic number.

It is not a de Polignac number, because 18063525053 - 2⁸ = 18063524797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18063524998 and 18063525016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18063555053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290251783 + ... + 1290251796.

It is an arithmetic number, because the mean of its divisors is an integer number (5161007160).

Almost surely, 2^18063525053 is an apocalyptic number.

It is an amenable number.

18063525053 is a deficient number, since it is larger than the sum of its proper divisors (2580503587).

18063525053 is an equidigital number, since it uses as much as digits as its factorization.

18063525053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580503586.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 18063525053 in words is "eighteen billion, sixty-three million, five hundred twenty-five thousand, fifty-three".