18853011 has 6 divisors (see below), whose sum is σ = 27232140. Its totient is φ = 12568668.

The previous prime is 18852971. The next prime is 18853013. The reversal of 18853011 is 11035881.

It is not a de Polignac number, because 18853011 - 2⁶ = 18852947 is a prime.

It is a super-2 number, since 2×18853011² = 710872047532242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18853013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047381 + ... + 1047398.

It is an arithmetic number, because the mean of its divisors is an integer number (4538690).

Almost surely, 2^18853011 is an apocalyptic number.

18853011 is a deficient number, since it is larger than the sum of its proper divisors (8379129).

18853011 is a wasteful number, since it uses less digits than its factorization.

18853011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094785 (or 2094782 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 18853011 is about 4342.0054122490. The cubic root of 18853011 is about 266.1502674803.

Adding to 18853011 its reverse (11035881), we get a palindrome (29888892).

The spelling of 18853011 in words is "eighteen million, eight hundred fifty-three thousand, eleven".