117511728379 has 2 divisors, whose sum is σ = 117511728380. Its totient is φ = 117511728378.

The previous prime is 117511728311. The next prime is 117511728403. The reversal of 117511728379 is 973827115711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117511728379 - 2⁹ = 117511727867 is a prime.

It is not a weakly prime, because it can be changed into another prime (117511728779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58755864189 + 58755864190.

It is an arithmetic number, because the mean of its divisors is an integer number (58755864190).

Almost surely, 2^117511728379 is an apocalyptic number.

117511728379 is a deficient number, since it is larger than the sum of its proper divisors (1).

117511728379 is an equidigital number, since it uses as much as digits as its factorization.

117511728379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 52.

The spelling of 117511728379 in words is "one hundred seventeen billion, five hundred eleven million, seven hundred twenty-eight thousand, three hundred seventy-nine".