1178451178449 has 8 divisors (see below), whose sum is σ = 1571288205312. Its totient is φ = 785624135280.

The previous prime is 1178451178439. The next prime is 1178451178451. The reversal of 1178451178449 is 9448711548711.

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

It is not a de Polignac number, because 1178451178449 - 2⁵ = 1178451178417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1178451178392 and 1178451178401.

It is not an unprimeable number, because it can be changed into a prime (1178451178439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216017 + ... + 2695854.

It is an arithmetic number, because the mean of its divisors is an integer number (196411025664).

Almost surely, 2^{1178451178449} is an apocalyptic number.

It is an amenable number.

1178451178449 is a deficient number, since it is larger than the sum of its proper divisors (392837026863).

1178451178449 is an equidigital number, since it uses as much as digits as its factorization.

1178451178449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991847.

The product of its digits is 9031680, while the sum is 60.

The spelling of 1178451178449 in words is "one trillion, one hundred seventy-eight billion, four hundred fifty-one million, one hundred seventy-eight thousand, four hundred forty-nine".