1118607786386 has 4 divisors (see below), whose sum is σ = 1677911679582. Its totient is φ = 559303893192.

The previous prime is 1118607786383. The next prime is 1118607786419. The reversal of 1118607786386 is 6836877068111.

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

It can be written as a sum of positive squares in only one way, i.e., 953296424161 + 165311362225 = 976369^2 + 406585^2 .

It is not an unprimeable number, because it can be changed into a prime (1118607786383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279651946595 + ... + 279651946598.

Almost surely, 2^{1118607786386} is an apocalyptic number.

1118607786386 is a deficient number, since it is larger than the sum of its proper divisors (559303893196).

1118607786386 is an equidigital number, since it uses as much as digits as its factorization.

1118607786386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559303893195.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 1118607786386 in words is "one trillion, one hundred eighteen billion, six hundred seven million, seven hundred eighty-six thousand, three hundred eighty-six".