18254365515255 has 16 divisors (see below), whose sum is σ = 29207048509440. Its totient is φ = 9735640379808.

The previous prime is 18254365515229. The next prime is 18254365515371. The reversal of 18254365515255 is 55251556345281.

It is not a de Polignac number, because 18254365515255 - 2¹⁷ = 18254365384183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18254365515195 and 18254365515204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7812634 + ... + 9876536.

It is an arithmetic number, because the mean of its divisors is an integer number (1825440531840).

Almost surely, 2^{18254365515255} is an apocalyptic number.

18254365515255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18254365515255 is a deficient number, since it is larger than the sum of its proper divisors (10952682994185).

18254365515255 is a wasteful number, since it uses less digits than its factorization.

18254365515255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653550.

The product of its digits is 36000000, while the sum is 57.

The spelling of 18254365515255 in words is "eighteen trillion, two hundred fifty-four billion, three hundred sixty-five million, five hundred fifteen thousand, two hundred fifty-five".