117665546811 has 8 divisors (see below), whose sum is σ = 158085009984. Its totient is φ = 77844890760.

The previous prime is 117665546771. The next prime is 117665546819. The reversal of 117665546811 is 118645566711.

It is a happy number.

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

It is not a de Polignac number, because 117665546811 - 2¹⁰ = 117665545787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117665546819) 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, 149701321 + ... + 149702106.

It is an arithmetic number, because the mean of its divisors is an integer number (19760626248).

Almost surely, 2^117665546811 is an apocalyptic number.

117665546811 is a deficient number, since it is larger than the sum of its proper divisors (40419463173).

117665546811 is a wasteful number, since it uses less digits than its factorization.

117665546811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299403561.

The product of its digits is 1209600, while the sum is 51.

The spelling of 117665546811 in words is "one hundred seventeen billion, six hundred sixty-five million, five hundred forty-six thousand, eight hundred eleven".