1118499938513 has 4 divisors (see below), whose sum is σ = 1157068901940. Its totient is φ = 1079930975088.

The previous prime is 1118499938453. The next prime is 1118499938539. The reversal of 1118499938513 is 3158399948111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 460297116304 + 658202822209 = 678452^2 + 811297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118499938513 - 2¹² = 1118499934417 is a prime.

It is a super-2 number, since 2×1118499938513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118499938573) 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 3 ways as a sum of consecutive naturals, for example, 19284481670 + ... + 19284481727.

It is an arithmetic number, because the mean of its divisors is an integer number (289267225485).

Almost surely, 2^{1118499938513} is an apocalyptic number.

It is an amenable number.

1118499938513 is a deficient number, since it is larger than the sum of its proper divisors (38568963427).

1118499938513 is an equidigital number, since it uses as much as digits as its factorization.

1118499938513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38568963426.

The product of its digits is 8398080, while the sum is 62.

The spelling of 1118499938513 in words is "one trillion, one hundred eighteen billion, four hundred ninety-nine million, nine hundred thirty-eight thousand, five hundred thirteen".