18895022135 has 8 divisors (see below), whose sum is σ = 24735301776. Its totient is φ = 13741834240.

The previous prime is 18895022099. The next prime is 18895022161. The reversal of 18895022135 is 53122059881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18895022135 - 2¹⁴ = 18895005751 is a prime.

It is a super-2 number, since 2×18895022135² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 171772874 + ... + 171772983.

It is an arithmetic number, because the mean of its divisors is an integer number (3091912722).

Almost surely, 2^18895022135 is an apocalyptic number.

18895022135 is a deficient number, since it is larger than the sum of its proper divisors (5840279641).

18895022135 is a wasteful number, since it uses less digits than its factorization.

18895022135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343545873.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 18895022135 in words is "eighteen billion, eight hundred ninety-five million, twenty-two thousand, one hundred thirty-five".