18099025705488 has 320 divisors, whose sum is σ = 59559187968000. Its totient is φ = 4606507100160.

The previous prime is 18099025705469. The next prime is 18099025705513. The reversal of 18099025705488 is 88450752099081.

It is a super-2 number, since 2×18099025705488² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 265850493 + ... + 265918563.

It is an arithmetic number, because the mean of its divisors is an integer number (186122462400).

Almost surely, 2^{18099025705488} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18099025705488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29779593984000).

18099025705488 is an abundant number, since it is smaller than the sum of its proper divisors (41460162262512).

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

18099025705488 is a wasteful number, since it uses less digits than its factorization.

18099025705488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70230 (or 70224 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 66.

The spelling of 18099025705488 in words is "eighteen trillion, ninety-nine billion, twenty-five million, seven hundred five thousand, four hundred eighty-eight".