1115764650 has 288 divisors, whose sum is σ = 4026492288. Its totient is φ = 213926400.

The previous prime is 1115764633. The next prime is 1115764651. The reversal of 1115764650 is 564675111.

It is a happy number.

1115764650 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 7 + 646 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115764651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 449212 + ... + 451688.

It is an arithmetic number, because the mean of its divisors is an integer number (13980876).

Almost surely, 2^1115764650 is an apocalyptic number.

1115764650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115764650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2013246144).

1115764650 is an abundant number, since it is smaller than the sum of its proper divisors (2910727638).

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

1115764650 is a wasteful number, since it uses less digits than its factorization.

1115764650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1115764650 is about 33403.0634822616. The cubic root of 1115764650 is about 1037.1881174123.

The spelling of 1115764650 in words is "one billion, one hundred fifteen million, seven hundred sixty-four thousand, six hundred fifty".