1115043503115 has 64 divisors (see below), whose sum is σ = 1864297704960. Its totient is φ = 568552089600.

The previous prime is 1115043503113. The next prime is 1115043503141. The reversal of 1115043503115 is 5113053405111.

It is not a de Polignac number, because 1115043503115 - 2¹ = 1115043503113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115043503111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14873796 + ... + 14948574.

It is an arithmetic number, because the mean of its divisors is an integer number (29129651640).

Almost surely, 2^{1115043503115} is an apocalyptic number.

1115043503115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115043503115 is a deficient number, since it is larger than the sum of its proper divisors (749254201845).

1115043503115 is a wasteful number, since it uses less digits than its factorization.

1115043503115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75292.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 1115043503115 its reverse (5113053405111), we get a palindrome (6228096908226).

The spelling of 1115043503115 in words is "one trillion, one hundred fifteen billion, forty-three million, five hundred three thousand, one hundred fifteen".