18024552129550 has 12 divisors (see below), whose sum is σ = 33525666961056. Its totient is φ = 7209820851800.

The previous prime is 18024552129499. The next prime is 18024552129589. The reversal of 18024552129550 is 5592125542081.

It is a junction number, because it is equal to n+sod(n) for n = 18024552129494 and 18024552129503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180245521246 + ... + 180245521345.

It is an arithmetic number, because the mean of its divisors is an integer number (2793805580088).

Almost surely, 2^{18024552129550} is an apocalyptic number.

18024552129550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18024552129550 is a deficient number, since it is larger than the sum of its proper divisors (15501114831506).

18024552129550 is a wasteful number, since it uses less digits than its factorization.

18024552129550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360491042603 (or 360491042598 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 49.

The spelling of 18024552129550 in words is "eighteen trillion, twenty-four billion, five hundred fifty-two million, one hundred twenty-nine thousand, five hundred fifty".