1178345117839 has 8 divisors (see below), whose sum is σ = 1226770262480. Its totient is φ = 1130792498496.

The previous prime is 1178345117779. The next prime is 1178345117857. The reversal of 1178345117839 is 9387115438711.

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 1178345117839 - 2⁷ = 1178345117711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178345147839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218128569 + ... + 218133970.

It is an arithmetic number, because the mean of its divisors is an integer number (153346282810).

Almost surely, 2^{1178345117839} is an apocalyptic number.

1178345117839 is a deficient number, since it is larger than the sum of its proper divisors (48425144641).

1178345117839 is an equidigital number, since it uses as much as digits as its factorization.

1178345117839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436262649.

The product of its digits is 5080320, while the sum is 58.

The spelling of 1178345117839 in words is "one trillion, one hundred seventy-eight billion, three hundred forty-five million, one hundred seventeen thousand, eight hundred thirty-nine".