1810851114018 has 16 divisors (see below), whose sum is σ = 3623728943520. Its totient is φ = 603279252096.

The previous prime is 1810851113999. The next prime is 1810851114019. The reversal of 1810851114018 is 8104111580181.

It is a happy number.

It is a super-2 number, since 2×1810851114018² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1810851114019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84434863 + ... + 84456306.

It is an arithmetic number, because the mean of its divisors is an integer number (226483058970).

Almost surely, 2^{1810851114018} is an apocalyptic number.

1810851114018 is an abundant number, since it is smaller than the sum of its proper divisors (1812877829502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1810851114018 is a wasteful number, since it uses less digits than its factorization.

1810851114018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168892961.

The product of its (nonzero) digits is 10240, while the sum is 39.

Adding to 1810851114018 its reverse (8104111580181), we get a palindrome (9914962694199).

The spelling of 1810851114018 in words is "one trillion, eight hundred ten billion, eight hundred fifty-one million, one hundred fourteen thousand, eighteen".