1115113774 has 4 divisors (see below), whose sum is σ = 1672670664. Its totient is φ = 557556886.

The previous prime is 1115113729. The next prime is 1115113787. The reversal of 1115113774 is 4773115111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4773115111 = 43 ⋅111002677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278778442 + ... + 278778445.

It is an arithmetic number, because the mean of its divisors is an integer number (418167666).

Almost surely, 2^1115113774 is an apocalyptic number.

1115113774 is a deficient number, since it is larger than the sum of its proper divisors (557556890).

1115113774 is an equidigital number, since it uses as much as digits as its factorization.

1115113774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557556889.

The product of its digits is 2940, while the sum is 31.

The square root of 1115113774 is about 33393.3193019203. The cubic root of 1115113774 is about 1036.9863985988.

Adding to 1115113774 its reverse (4773115111), we get a palindrome (5888228885).

The spelling of 1115113774 in words is "one billion, one hundred fifteen million, one hundred thirteen thousand, seven hundred seventy-four".