1103115400 has 48 divisors (see below), whose sum is σ = 2581799040. Its totient is φ = 438312000.

The previous prime is 1103115383. The next prime is 1103115413. The reversal of 1103115400 is 45113011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11937 + ... + 48463.

It is an arithmetic number, because the mean of its divisors is an integer number (53787480).

Almost surely, 2^1103115400 is an apocalyptic number.

1103115400 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 1103115400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290899520).

1103115400 is an abundant number, since it is smaller than the sum of its proper divisors (1478683640).

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

1103115400 is a wasteful number, since it uses less digits than its factorization.

1103115400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36694 (or 36685 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1103115400 is about 33213.1811183452. The cubic root of 1103115400 is about 1033.2537318726.

Adding to 1103115400 its reverse (45113011), we get a palindrome (1148228411).

The spelling of 1103115400 in words is "one billion, one hundred three million, one hundred fifteen thousand, four hundred".