1078155406918 has 8 divisors (see below), whose sum is σ = 1617289784280. Its totient is φ = 539058812160.

The previous prime is 1078155406849. The next prime is 1078155406949. The reversal of 1078155406918 is 8196045518701.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9374203 + ... + 9488518.

It is an arithmetic number, because the mean of its divisors is an integer number (202161223035).

Almost surely, 2^{1078155406918} is an apocalyptic number.

1078155406918 is a deficient number, since it is larger than the sum of its proper divisors (539134377362).

1078155406918 is a wasteful number, since it uses less digits than its factorization.

1078155406918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18891302.

The product of its (nonzero) digits is 2419200, while the sum is 55.

The spelling of 1078155406918 in words is "one trillion, seventy-eight billion, one hundred fifty-five million, four hundred six thousand, nine hundred eighteen".