1115513140 has 48 divisors (see below), whose sum is σ = 2834721792. Its totient is φ = 359963136.

The previous prime is 1115513137. The next prime is 1115513167. The reversal of 1115513140 is 413155111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231972 + ... + 236731.

It is an arithmetic number, because the mean of its divisors is an integer number (59056704).

Almost surely, 2^1115513140 is an apocalyptic number.

1115513140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115513140 is an abundant number, since it is smaller than the sum of its proper divisors (1719208652).

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

1115513140 is a wasteful number, since it uses less digits than its factorization.

1115513140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468736 (or 468734 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1115513140 is about 33399.2984956271. The cubic root of 1115513140 is about 1037.1101789968.

Adding to 1115513140 its reverse (413155111), we get a palindrome (1528668251).

The spelling of 1115513140 in words is "one billion, one hundred fifteen million, five hundred thirteen thousand, one hundred forty".