1118378015 has 8 divisors (see below), whose sum is σ = 1351709520. Its totient is φ = 888265152.

The previous prime is 1118377999. The next prime is 1118378029. The reversal of 1118378015 is 5108738111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1118378015 - 2⁴ = 1118377999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803894 + ... + 805283.

It is an arithmetic number, because the mean of its divisors is an integer number (168963690).

Almost surely, 2^1118378015 is an apocalyptic number.

1118378015 is a deficient number, since it is larger than the sum of its proper divisors (233331505).

1118378015 is a wasteful number, since it uses less digits than its factorization.

1118378015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609321.

The product of its (nonzero) digits is 6720, while the sum is 35.

The square root of 1118378015 is about 33442.1592454794. The cubic root of 1118378015 is about 1037.9972598658.

It can be divided in two parts, 11183 and 78015, that added together give a palindrome (89198).

The spelling of 1118378015 in words is "one billion, one hundred eighteen million, three hundred seventy-eight thousand, fifteen".