18012808269052 has 6 divisors (see below), whose sum is σ = 31522414470848. Its totient is φ = 9006404134524.

The previous prime is 18012808269047. The next prime is 18012808269061. The reversal of 18012808269052 is 25096280821081.

It is a super-3 number, since 3×18012808269052³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2251601033628 + ... + 2251601033635.

Almost surely, 2^{18012808269052} is an apocalyptic number.

It is an amenable number.

18012808269052 is a deficient number, since it is larger than the sum of its proper divisors (13509606201796).

18012808269052 is a wasteful number, since it uses less digits than its factorization.

18012808269052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503202067267 (or 4503202067265 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 18012808269052 in words is "eighteen trillion, twelve billion, eight hundred eight million, two hundred sixty-nine thousand, fifty-two".