179352139117 has 4 divisors (see below), whose sum is σ = 179455157596. Its totient is φ = 179249120640.

The previous prime is 179352139103. The next prime is 179352139123. The reversal of 179352139117 is 711931253971.

179352139117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21090591076 + 158261548041 = 145226^2 + 397821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-179352139117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (179352139147) 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 3 ways as a sum of consecutive naturals, for example, 51506628 + ... + 51510109.

It is an arithmetic number, because the mean of its divisors is an integer number (44863789399).

Almost surely, 2^179352139117 is an apocalyptic number.

It is an amenable number.

179352139117 is a deficient number, since it is larger than the sum of its proper divisors (103018479).

179352139117 is a wasteful number, since it uses less digits than its factorization.

179352139117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103018478.

The product of its digits is 357210, while the sum is 49.

The spelling of 179352139117 in words is "one hundred seventy-nine billion, three hundred fifty-two million, one hundred thirty-nine thousand, one hundred seventeen".