1115513130 has 64 divisors (see below), whose sum is σ = 2781941760. Its totient is φ = 285927936.

The previous prime is 1115513107. The next prime is 1115513137. The reversal of 1115513130 is 313155111.

It is a junction number, because it is equal to n+sod(n) for n = 1115513097 and 1115513106.

It is not an unprimeable number, because it can be changed into a prime (1115513137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199959 + ... + 205461.

It is an arithmetic number, because the mean of its divisors is an integer number (43467840).

Almost surely, 2^1115513130 is an apocalyptic number.

1115513130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115513130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390970880).

1115513130 is an abundant number, since it is smaller than the sum of its proper divisors (1666428630).

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

1115513130 is a wasteful number, since it uses less digits than its factorization.

1115513130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5775.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1115513130 is about 33399.2983459234. The cubic root of 1115513130 is about 1037.1101758978.

Adding to 1115513130 its reverse (313155111), we get a palindrome (1428668241).

The spelling of 1115513130 in words is "one billion, one hundred fifteen million, five hundred thirteen thousand, one hundred thirty".