1116601500 has 384 divisors, whose sum is σ = 4067481600. Its totient is φ = 232243200.

The previous prime is 1116601483. The next prime is 1116601517. The reversal of 1116601500 is 51066111.

It is an interprime number because it is at equal distance from previous prime (1116601483) and next prime (1116601517).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5785404 + ... + 5785596.

It is an arithmetic number, because the mean of its divisors is an integer number (10592400).

Almost surely, 2^1116601500 is an apocalyptic number.

1116601500 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 1116601500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2033740800).

1116601500 is an abundant number, since it is smaller than the sum of its proper divisors (2950880100).

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

1116601500 is a wasteful number, since it uses less digits than its factorization.

1116601500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1116601500 is about 33415.5876800035. The cubic root of 1116601500 is about 1037.4473578555.

Adding to 1116601500 its reverse (51066111), we get a palindrome (1167667611).

The spelling of 1116601500 in words is "one billion, one hundred sixteen million, six hundred one thousand, five hundred".