18853996011 has 32 divisors (see below), whose sum is σ = 26471301120. Its totient is φ = 11913501600.

The previous prime is 18853995991. The next prime is 18853996019. The reversal of 18853996011 is 11069935881.

It is not a de Polignac number, because 18853996011 - 2⁹ = 18853995499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18853996019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3568870 + ... + 3574148.

It is an arithmetic number, because the mean of its divisors is an integer number (827228160).

Almost surely, 2^18853996011 is an apocalyptic number.

18853996011 is a deficient number, since it is larger than the sum of its proper divisors (7617305109).

18853996011 is a wasteful number, since it uses less digits than its factorization.

18853996011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 18853996011 in words is "eighteen billion, eight hundred fifty-three million, nine hundred ninety-six thousand, eleven".