1118384737373 has 4 divisors (see below), whose sum is σ = 1118388005760. Its totient is φ = 1118381468988.

The previous prime is 1118384737363. The next prime is 1118384737387. The reversal of 1118384737373 is 3737374838111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1118384737373 - 2¹⁴ = 1118384720989 is a prime.

It is a super-2 number, since 2×1118384737373² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118384737363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051715 + ... + 1828352.

It is an arithmetic number, because the mean of its divisors is an integer number (279597001440).

Almost surely, 2^{1118384737373} is an apocalyptic number.

It is an amenable number.

1118384737373 is a deficient number, since it is larger than the sum of its proper divisors (3268387).

1118384737373 is an equidigital number, since it uses as much as digits as its factorization.

1118384737373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268386.

The product of its digits is 7112448, while the sum is 56.

The spelling of 1118384737373 in words is "one trillion, one hundred eighteen billion, three hundred eighty-four million, seven hundred thirty-seven thousand, three hundred seventy-three".