1115513142 has 16 divisors (see below), whose sum is σ = 2348448960. Its totient is φ = 352267272.

The previous prime is 1115513137. The next prime is 1115513167. The reversal of 1115513142 is 2413155111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892488 + ... + 4892715.

It is an arithmetic number, because the mean of its divisors is an integer number (146778060).

Almost surely, 2^1115513142 is an apocalyptic number.

1115513142 is an abundant number, since it is smaller than the sum of its proper divisors (1232935818).

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

1115513142 is a wasteful number, since it uses less digits than its factorization.

1115513142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785227.

The product of its digits is 600, while the sum is 24.

The square root of 1115513142 is about 33399.2985255679. The cubic root of 1115513142 is about 1037.1101796166.

Adding to 1115513142 its reverse (2413155111), we get a palindrome (3528668253).

The spelling of 1115513142 in words is "one billion, one hundred fifteen million, five hundred thirteen thousand, one hundred forty-two".