117711611617519 has 4 divisors (see below), whose sum is σ = 117753161783296. Its totient is φ = 117670061451744.

The previous prime is 117711611617489. The next prime is 117711611617603. The reversal of 117711611617519 is 915716116117711.

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

It is a cyclic number.

It is not a de Polignac number, because 117711611617519 - 2³⁵ = 117677251879151 is a prime.

It is a super-2 number, since 2×117711611617519² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117711611617519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117711611615519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20775078639 + ... + 20775084304.

It is an arithmetic number, because the mean of its divisors is an integer number (29438290445824).

Almost surely, 2^{117711611617519} is an apocalyptic number.

117711611617519 is a deficient number, since it is larger than the sum of its proper divisors (41550165777).

117711611617519 is an equidigital number, since it uses as much as digits as its factorization.

117711611617519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41550165776.

The product of its digits is 555660, while the sum is 55.

The spelling of 117711611617519 in words is "one hundred seventeen trillion, seven hundred eleven billion, six hundred eleven million, six hundred seventeen thousand, five hundred nineteen".