1116851400 has 288 divisors, whose sum is σ = 4324544640. Its totient is φ = 253025280.

The previous prime is 1116851389. The next prime is 1116851413. The reversal of 1116851400 is 41586111.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1725877 + ... + 1726523.

It is an arithmetic number, because the mean of its divisors is an integer number (15015780).

Almost surely, 2^1116851400 is an apocalyptic number.

1116851400 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 1116851400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162272320).

1116851400 is an abundant number, since it is smaller than the sum of its proper divisors (3207693240).

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

1116851400 is a wasteful number, since it uses less digits than its factorization.

1116851400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1116851400 is about 33419.3267436674. The cubic root of 1116851400 is about 1037.5247470751.

The spelling of 1116851400 in words is "one billion, one hundred sixteen million, eight hundred fifty-one thousand, four hundred".