113118581518 has 16 divisors (see below), whose sum is σ = 178001076960. Its totient is φ = 53839828000.

The previous prime is 113118581503. The next prime is 113118581561. The reversal of 113118581518 is 815185811311.

It is a super-2 number, since 2×113118581518² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13730533 + ... + 13738768.

It is an arithmetic number, because the mean of its divisors is an integer number (11125067310).

Almost surely, 2^113118581518 is an apocalyptic number.

113118581518 is a deficient number, since it is larger than the sum of its proper divisors (64882495442).

113118581518 is a wasteful number, since it uses less digits than its factorization.

113118581518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27469403.

The product of its digits is 38400, while the sum is 43.

The spelling of 113118581518 in words is "one hundred thirteen billion, one hundred eighteen million, five hundred eighty-one thousand, five hundred eighteen".