1115332400 has 180 divisors, whose sum is σ = 3317479632. Its totient is φ = 352834560.

The previous prime is 1115332343. The next prime is 1115332423. The reversal of 1115332400 is 42335111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 472022 + ... + 474378.

Almost surely, 2^1115332400 is an apocalyptic number.

1115332400 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 1115332400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658739816).

1115332400 is an abundant number, since it is smaller than the sum of its proper divisors (2202147232).

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

1115332400 is a wasteful number, since it uses less digits than its factorization.

1115332400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1115332400 is about 33396.5926405674. The cubic root of 1115332400 is about 1037.0541636942.

Adding to 1115332400 its reverse (42335111), we get a palindrome (1157667511).

The spelling of 1115332400 in words is "one billion, one hundred fifteen million, three hundred thirty-two thousand, four hundred".