1116390520 has 96 divisors (see below), whose sum is σ = 2933826480. Its totient is φ = 381212160.

The previous prime is 1116390497. The next prime is 1116390589. The reversal of 1116390520 is 250936111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549747 + ... + 551773.

Almost surely, 2^1116390520 is an apocalyptic number.

1116390520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116390520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466913240).

1116390520 is an abundant number, since it is smaller than the sum of its proper divisors (1817435960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1116390520 is a wasteful number, since it uses less digits than its factorization.

1116390520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1116390520 is about 33412.4306209530. The cubic root of 1116390520 is about 1037.3820124209.

The spelling of 1116390520 in words is "one billion, one hundred sixteen million, three hundred ninety thousand, five hundred twenty".