1118694856 has 8 divisors (see below), whose sum is σ = 2097552870. Its totient is φ = 559347424.

The previous prime is 1118694839. The next prime is 1118694859. The reversal of 1118694856 is 6584968111.

It can be written as a sum of positive squares in only one way, i.e., 743652900 + 375041956 = 27270^2 + 19366^2 .

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 (1118694859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69918421 + ... + 69918436.

Almost surely, 2^1118694856 is an apocalyptic number.

It is an amenable number.

1118694856 is a deficient number, since it is larger than the sum of its proper divisors (978858014).

1118694856 is a wasteful number, since it uses less digits than its factorization.

1118694856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139836863 (or 139836859 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The square root of 1118694856 is about 33446.8960592758. The cubic root of 1118694856 is about 1038.0952735465.

The spelling of 1118694856 in words is "one billion, one hundred eighteen million, six hundred ninety-four thousand, eight hundred fifty-six".