1116823631 has 12 divisors (see below), whose sum is σ = 1417268520. Its totient is φ = 870251760.

The previous prime is 1116823607. The next prime is 1116823637. The reversal of 1116823631 is 1363286111.

It is not a de Polignac number, because 1116823631 - 2³⁰ = 43081807 is a prime.

It is a super-2 number, since 2×1116823631² = 2494590045520048322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116823637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035476 + ... + 1036553.

It is an arithmetic number, because the mean of its divisors is an integer number (118105710).

Almost surely, 2^1116823631 is an apocalyptic number.

1116823631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1116823631 is a deficient number, since it is larger than the sum of its proper divisors (300444889).

1116823631 is a wasteful number, since it uses less digits than its factorization.

1116823631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072054 (or 2072047 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 1116823631 is about 33418.9112778977. The cubic root of 1116823631 is about 1037.5161481205.

It can be divided in two parts, 11 and 16823631, that multiplied together give a triangular number (185059941 = T₁₉₂₃₈).

The spelling of 1116823631 in words is "one billion, one hundred sixteen million, eight hundred twenty-three thousand, six hundred thirty-one".