1178384055 has 8 divisors (see below), whose sum is σ = 1885414512. Its totient is φ = 628471488.

The previous prime is 1178384041. The next prime is 1178384111. The reversal of 1178384055 is 5504838711.

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

It is not a de Polignac number, because 1178384055 - 2⁸ = 1178383799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1178383998 and 1178384016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39279454 + ... + 39279483.

It is an arithmetic number, because the mean of its divisors is an integer number (235676814).

Almost surely, 2^1178384055 is an apocalyptic number.

1178384055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1178384055 is a deficient number, since it is larger than the sum of its proper divisors (707030457).

1178384055 is an equidigital number, since it uses as much as digits as its factorization.

1178384055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78558945.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1178384055 is about 34327.5990276046. The cubic root of 1178384055 is about 1056.2392107951.

The spelling of 1178384055 in words is "one billion, one hundred seventy-eight million, three hundred eighty-four thousand, fifty-five".