1118518058719 has 4 divisors (see below), whose sum is σ = 1119564381640. Its totient is φ = 1117471735800.

The previous prime is 1118518058663. The next prime is 1118518058761. The reversal of 1118518058719 is 9178508158111.

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

It is a cyclic number.

It is not a de Polignac number, because 1118518058719 - 2¹³ = 1118518050527 is a prime.

It is a super-2 number, since 2×1118518058719² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118518058719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118518058789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523159857 + ... + 523161994.

It is an arithmetic number, because the mean of its divisors is an integer number (279891095410).

Almost surely, 2^{1118518058719} is an apocalyptic number.

1118518058719 is a deficient number, since it is larger than the sum of its proper divisors (1046322921).

1118518058719 is a wasteful number, since it uses less digits than its factorization.

1118518058719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046322920.

The product of its (nonzero) digits is 806400, while the sum is 55.

The spelling of 1118518058719 in words is "one trillion, one hundred eighteen billion, five hundred eighteen million, fifty-eight thousand, seven hundred nineteen".