1811100834 has 12 divisors (see below), whose sum is σ = 3924051846. Its totient is φ = 603700272.

The previous prime is 1811100793. The next prime is 1811100847. The reversal of 1811100834 is 4380011181.

It can be written as a sum of positive squares in only one way, i.e., 1676656809 + 134444025 = 40947^2 + 11595^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1811100798 and 1811100807.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 50308339 + ... + 50308374.

Almost surely, 2^1811100834 is an apocalyptic number.

1811100834 is an abundant number, since it is smaller than the sum of its proper divisors (2112951012).

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

1811100834 is a wasteful number, since it uses less digits than its factorization.

1811100834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100616721 (or 100616718 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 1811100834 is about 42557.0303710210. The cubic root of 1811100834 is about 1218.9359247396.

The spelling of 1811100834 in words is "one billion, eight hundred eleven million, one hundred thousand, eight hundred thirty-four".