1115354400 has 144 divisors (see below), whose sum is σ = 3656016000. Its totient is φ = 295336960.

The previous prime is 1115354351. The next prime is 1115354417. The reversal of 1115354400 is 44535111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356041 + ... + 359159.

It is an arithmetic number, because the mean of its divisors is an integer number (25389000).

Almost surely, 2^1115354400 is an apocalyptic number.

1115354400 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 1115354400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828008000).

1115354400 is an abundant number, since it is smaller than the sum of its proper divisors (2540661600).

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

1115354400 is a wasteful number, since it uses less digits than its factorization.

1115354400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1115354400 is about 33396.9220138623. The cubic root of 1115354400 is about 1037.0609823017.

Adding to 1115354400 its reverse (44535111), we get a palindrome (1159889511).

The spelling of 1115354400 in words is "one billion, one hundred fifteen million, three hundred fifty-four thousand, four hundred".