1113115523 has 16 divisors (see below), whose sum is σ = 1226244096. Its totient is φ = 1003988640.

The previous prime is 1113115517. The next prime is 1113115537. The reversal of 1113115523 is 3255113111.

It is a cyclic number.

It is not a de Polignac number, because 1113115523 - 2⁶ = 1113115459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113115583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526238 + ... + 528348.

It is an arithmetic number, because the mean of its divisors is an integer number (76640256).

Almost surely, 2^1113115523 is an apocalyptic number.

1113115523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1113115523 is a deficient number, since it is larger than the sum of its proper divisors (113128573).

1113115523 is a wasteful number, since it uses less digits than its factorization.

1113115523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its digits is 450, while the sum is 23.

The square root of 1113115523 is about 33363.3859642573. The cubic root of 1113115523 is about 1036.3666118891.

Adding to 1113115523 its reverse (3255113111), we get a palindrome (4368228634).

The spelling of 1113115523 in words is "one billion, one hundred thirteen million, one hundred fifteen thousand, five hundred twenty-three".