1118260512178 has 4 divisors (see below), whose sum is σ = 1677390768270. Its totient is φ = 559130256088.

The previous prime is 1118260512119. The next prime is 1118260512179. The reversal of 1118260512178 is 8712150628111.

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., 764703027729 + 353557484449 = 874473^2 + 594607^2 .

It is not an unprimeable number, because it can be changed into a prime (1118260512179) 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 as a sum of consecutive naturals, namely, 279565128043 + ... + 279565128046.

Almost surely, 2^{1118260512178} is an apocalyptic number.

1118260512178 is a deficient number, since it is larger than the sum of its proper divisors (559130256092).

1118260512178 is an equidigital number, since it uses as much as digits as its factorization.

1118260512178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559130256091.

The product of its (nonzero) digits is 53760, while the sum is 43.

The spelling of 1118260512178 in words is "one trillion, one hundred eighteen billion, two hundred sixty million, five hundred twelve thousand, one hundred seventy-eight".