1115543243514 has 16 divisors (see below), whose sum is σ = 2549813128128. Its totient is φ = 318726640992.

The previous prime is 1115543243471. The next prime is 1115543243543. The reversal of 1115543243514 is 4153423455111.

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, 13280276667 + ... + 13280276750.

It is an arithmetic number, because the mean of its divisors is an integer number (159363320508).

Almost surely, 2^{1115543243514} is an apocalyptic number.

1115543243514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1115543243514 is an abundant number, since it is smaller than the sum of its proper divisors (1434269884614).

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

1115543243514 is a wasteful number, since it uses less digits than its factorization.

1115543243514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560553429.

The product of its digits is 144000, while the sum is 39.

Adding to 1115543243514 its reverse (4153423455111), we get a palindrome (5268966698625).

The spelling of 1115543243514 in words is "one trillion, one hundred fifteen billion, five hundred forty-three million, two hundred forty-three thousand, five hundred fourteen".