18753127189545 has 128 divisors (see below), whose sum is σ = 34897750917120. Its totient is φ = 8422736659200.

The previous prime is 18753127189469. The next prime is 18753127189613. The reversal of 18753127189545 is 54598172135781.

It is not a de Polignac number, because 18753127189545 - 2²⁵ = 18753093635113 is a prime.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 1370134692 + ... + 1370148378.

It is an arithmetic number, because the mean of its divisors is an integer number (272638679040).

Almost surely, 2^{18753127189545} is an apocalyptic number.

18753127189545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18753127189545 is a deficient number, since it is larger than the sum of its proper divisors (16144623727575).

18753127189545 is a wasteful number, since it uses less digits than its factorization.

18753127189545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795.

The product of its digits is 84672000, while the sum is 66.

The spelling of 18753127189545 in words is "eighteen trillion, seven hundred fifty-three billion, one hundred twenty-seven million, one hundred eighty-nine thousand, five hundred forty-five".