18852105415 has 16 divisors (see below), whose sum is σ = 26577514656. Its totient is φ = 12655958400.

The previous prime is 18852105403. The next prime is 18852105439. The reversal of 18852105415 is 51450125881.

It is a happy number.

It is not a de Polignac number, because 18852105415 - 2⁷ = 18852105287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13182576 + ... + 13184005.

It is an arithmetic number, because the mean of its divisors is an integer number (1661094666).

Almost surely, 2^18852105415 is an apocalyptic number.

18852105415 is a deficient number, since it is larger than the sum of its proper divisors (7725409241).

18852105415 is a wasteful number, since it uses less digits than its factorization.

18852105415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26366610.

The product of its (nonzero) digits is 64000, while the sum is 40.

It can be divided in two parts, 1885210 and 5415, that added together give a square (1890625 = 1375²).

The spelling of 18852105415 in words is "eighteen billion, eight hundred fifty-two million, one hundred five thousand, four hundred fifteen".