1011800936 has 16 divisors (see below), whose sum is σ = 1897987140. Its totient is φ = 505671040.

The previous prime is 1011800873. The next prime is 1011800941. The reversal of 1011800936 is 6390081101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1010604100 + 1196836 = 31790^2 + 1094^2 .

It is a super-3 number, since 3×1011800936³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1011800899 and 1011800908.

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 3 ways as a sum of consecutive naturals, for example, 9155 + ... + 45906.

Almost surely, 2^1011800936 is an apocalyptic number.

It is an amenable number.

1011800936 is a deficient number, since it is larger than the sum of its proper divisors (886186204).

1011800936 is a wasteful number, since it uses less digits than its factorization.

1011800936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57364 (or 57360 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1011800936 is about 31808.8185256856. The cubic root of 1011800936 is about 1003.9182724223.

The spelling of 1011800936 in words is "one billion, eleven million, eight hundred thousand, nine hundred thirty-six".