1118232517 has 12 divisors (see below), whose sum is σ = 1183087296. Its totient is φ = 1056773160.

The previous prime is 1118232491. The next prime is 1118232551. The reversal of 1118232517 is 7152328111.

It is a de Polignac number, because none of the positive numbers 2^k-1118232517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118232317) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 151998 + ... + 159184.

It is an arithmetic number, because the mean of its divisors is an integer number (98590608).

Almost surely, 2^1118232517 is an apocalyptic number.

It is an amenable number.

1118232517 is a deficient number, since it is larger than the sum of its proper divisors (64854779).

1118232517 is an equidigital number, since it uses as much as digits as its factorization.

1118232517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656 (or 7637 counting only the distinct ones).

The product of its digits is 3360, while the sum is 31.

The square root of 1118232517 is about 33439.9838068143. The cubic root of 1118232517 is about 1037.9522443543.

The spelling of 1118232517 in words is "one billion, one hundred eighteen million, two hundred thirty-two thousand, five hundred seventeen".