1011000008 has 8 divisors (see below), whose sum is σ = 1895625030. Its totient is φ = 505500000.

The previous prime is 1011000007. The next prime is 1011000041. The reversal of 1011000008 is 8000001101.

It can be written as a sum of positive squares in only one way, i.e., 817845604 + 193154404 = 28598^2 + 13898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1011000007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63187493 + ... + 63187508.

Almost surely, 2^1011000008 is an apocalyptic number.

It is an amenable number.

1011000008 is a deficient number, since it is larger than the sum of its proper divisors (884625022).

1011000008 is a wasteful number, since it uses less digits than its factorization.

1011000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126375007 (or 126375003 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1011000008 is about 31796.2263169704. The cubic root of 1011000008 is about 1003.6533064323.

Adding to 1011000008 its reverse (8000001101), we get a palindrome (9011001109).

The spelling of 1011000008 in words is "one billion, eleven million, eight", and thus it is an aban number and an uban number.