116661103313 has 4 divisors (see below), whose sum is σ = 117793735488. Its totient is φ = 115528471140.

The previous prime is 116661103291. The next prime is 116661103337. The reversal of 116661103313 is 313301166611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313301166611 = 277 ⋅1131051143.

It is a cyclic number.

It is not a de Polignac number, because 116661103313 - 2¹⁰ = 116661102289 is a prime.

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 116661103313.

It is not an unprimeable number, because it can be changed into a prime (116661103213) 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, 566315933 + ... + 566316138.

It is an arithmetic number, because the mean of its divisors is an integer number (29448433872).

Almost surely, 2^116661103313 is an apocalyptic number.

It is an amenable number.

116661103313 is a deficient number, since it is larger than the sum of its proper divisors (1132632175).

116661103313 is a wasteful number, since it uses less digits than its factorization.

116661103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132632174.

The product of its (nonzero) digits is 5832, while the sum is 32.

Adding to 116661103313 its reverse (313301166611), we get a palindrome (429962269924).

The spelling of 116661103313 in words is "one hundred sixteen billion, six hundred sixty-one million, one hundred three thousand, three hundred thirteen".