18063115532 has 48 divisors (see below), whose sum is σ = 39469102848. Its totient is φ = 7027101120.

The previous prime is 18063115531. The next prime is 18063115541. The reversal of 18063115532 is 23551136081.

It is a super-2 number, since 2×18063115532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18063115492 and 18063115501.

It is not an unprimeable number, because it can be changed into a prime (18063115531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165203 + ... + 251829.

It is an arithmetic number, because the mean of its divisors is an integer number (822272976).

Almost surely, 2^18063115532 is an apocalyptic number.

It is an amenable number.

18063115532 is an abundant number, since it is smaller than the sum of its proper divisors (21405987316).

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

18063115532 is a wasteful number, since it uses less digits than its factorization.

18063115532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87326 (or 87324 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 18063115532 in words is "eighteen billion, sixty-three million, one hundred fifteen thousand, five hundred thirty-two".