811001100118 has 32 divisors (see below), whose sum is σ = 1349379440640. Its totient is φ = 362497484160.

The previous prime is 811001100109. The next prime is 811001100121.

811001100118 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×811001100118³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

811001100118 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968638 + ... + 1600081.

It is an arithmetic number, because the mean of its divisors is an integer number (42168107520).

Almost surely, 2^811001100118 is an apocalyptic number.

811001100118 is a deficient number, since it is larger than the sum of its proper divisors (538378340522).

811001100118 is a wasteful number, since it uses less digits than its factorization.

811001100118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568972.

The product of its (nonzero) digits is 64, while the sum is 22.

It can be divided in two parts, 811001 and 100118, that added together give a palindrome (911119).

The spelling of 811001100118 in words is "eight hundred eleven billion, one million, one hundred thousand, one hundred eighteen".