1115351604 has 144 divisors (see below), whose sum is σ = 3198074880. Its totient is φ = 325892160.

The previous prime is 1115351591. The next prime is 1115351609. The reversal of 1115351604 is 4061535111.

1115351604 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 3 + 51 + 604 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115351609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 486549 + ... + 488835.

Almost surely, 2^1115351604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115351604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599037440).

1115351604 is an abundant number, since it is smaller than the sum of its proper divisors (2082723276).

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

1115351604 is a wasteful number, since it uses less digits than its factorization.

1115351604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1115351604 is about 33396.8801536910. The cubic root of 1115351604 is about 1037.0601157237.

Adding to 1115351604 its reverse (4061535111), we get a palindrome (5176886715).

The spelling of 1115351604 in words is "one billion, one hundred fifteen million, three hundred fifty-one thousand, six hundred four".