18052061530 has 8 divisors (see below), whose sum is σ = 32493710772. Its totient is φ = 7220824608.

The previous prime is 18052061509. The next prime is 18052061539. The reversal of 18052061530 is 3516025081.

It can be written as a sum of positive squares in 2 ways, for example, as 16353550161 + 1698511369 = 127881^2 + 41213^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18052061492 and 18052061501.

It is not an unprimeable number, because it can be changed into a prime (18052061539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902603067 + ... + 902603086.

Almost surely, 2^18052061530 is an apocalyptic number.

18052061530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18052061530 is a deficient number, since it is larger than the sum of its proper divisors (14441649242).

18052061530 is a wasteful number, since it uses less digits than its factorization.

18052061530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805206160.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 18052061530 in words is "eighteen billion, fifty-two million, sixty-one thousand, five hundred thirty".