1118076813 has 24 divisors (see below), whose sum is σ = 1849006016. Its totient is φ = 637761600.

The previous prime is 1118076811. The next prime is 1118076823. The reversal of 1118076813 is 3186708111.

It is a happy number.

1118076813 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1118076813 - 2¹ = 1118076811 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118076811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20433 + ... + 51513.

Almost surely, 2^1118076813 is an apocalyptic number.

It is an amenable number.

1118076813 is a deficient number, since it is larger than the sum of its proper divisors (730929203).

1118076813 is a wasteful number, since it uses less digits than its factorization.

1118076813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31665 (or 31662 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 1118076813 is about 33437.6556145912. The cubic root of 1118076813 is about 1037.9040668911.

The spelling of 1118076813 in words is "one billion, one hundred eighteen million, seventy-six thousand, eight hundred thirteen".