116077585517 has 4 divisors (see below), whose sum is σ = 119214817596. Its totient is φ = 112940353440.

The previous prime is 116077585499. The next prime is 116077585567. The reversal of 116077585517 is 715585770611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715585770611 = 20101 ⋅35599511.

It can be written as a sum of positive squares in 2 ways, for example, as 111039567076 + 5038018441 = 333226^2 + 70979^2 .

It is a cyclic number.

It is not a de Polignac number, because 116077585517 - 2¹² = 116077581421 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 (116077585567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568615984 + ... + 1568616057.

It is an arithmetic number, because the mean of its divisors is an integer number (29803704399).

Almost surely, 2^116077585517 is an apocalyptic number.

It is an amenable number.

116077585517 is a deficient number, since it is larger than the sum of its proper divisors (3137232079).

116077585517 is an equidigital number, since it uses as much as digits as its factorization.

116077585517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137232078.

The product of its (nonzero) digits is 2058000, while the sum is 53.

The spelling of 116077585517 in words is "one hundred sixteen billion, seventy-seven million, five hundred eighty-five thousand, five hundred seventeen".