18885535051 has 8 divisors (see below), whose sum is σ = 19902670400. Its totient is φ = 17870715720.

The previous prime is 18885535033. The next prime is 18885535057. The reversal of 18885535051 is 15053558881.

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

It is a cyclic number.

It is not a de Polignac number, because 18885535051 - 2¹⁹ = 18885010763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18885534986 and 18885535004.

It is not an unprimeable number, because it can be changed into a prime (18885535057) by changing a digit.

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, 562245 + ... + 594886.

It is an arithmetic number, because the mean of its divisors is an integer number (2487833800).

Almost surely, 2^18885535051 is an apocalyptic number.

18885535051 is a deficient number, since it is larger than the sum of its proper divisors (1017135349).

18885535051 is a wasteful number, since it uses less digits than its factorization.

18885535051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158009.

The product of its (nonzero) digits is 960000, while the sum is 49.

The spelling of 18885535051 in words is "eighteen billion, eight hundred eighty-five million, five hundred thirty-five thousand, fifty-one".