1115227008 has 128 divisors (see below), whose sum is σ = 3761760000. Its totient is φ = 318629376.

The previous prime is 1115226997. The next prime is 1115227031. The reversal of 1115227008 is 8007225111.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143 + ... + 47241.

It is an arithmetic number, because the mean of its divisors is an integer number (29388750).

Almost surely, 2^1115227008 is an apocalyptic number.

1115227008 is a gapful number since it is divisible by the number (18) 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 1115227008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1880880000).

1115227008 is an abundant number, since it is smaller than the sum of its proper divisors (2646532992).

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

1115227008 is an equidigital number, since it uses as much as digits as its factorization.

1115227008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46129 (or 46111 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 1115227008 is about 33395.0147177689. The cubic root of 1115227008 is about 1037.0214976014.

The spelling of 1115227008 in words is "one billion, one hundred fifteen million, two hundred twenty-seven thousand, eight".