116661431105 has 8 divisors (see below), whose sum is σ = 146080400832. Its totient is φ = 89271355888.

The previous prime is 116661431093. The next prime is 116661431129. The reversal of 116661431105 is 501134166611.

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

It is a cyclic number.

It is not a de Polignac number, because 116661431105 - 2⁶ = 116661431041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507223499 + ... + 507223728.

It is an arithmetic number, because the mean of its divisors is an integer number (18260050104).

Almost surely, 2^116661431105 is an apocalyptic number.

It is an amenable number.

116661431105 is a deficient number, since it is larger than the sum of its proper divisors (29418969727).

116661431105 is a wasteful number, since it uses less digits than its factorization.

116661431105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014447255.

The product of its (nonzero) digits is 12960, while the sum is 35.

Adding to 116661431105 its reverse (501134166611), we get a palindrome (617795597716).

The spelling of 116661431105 in words is "one hundred sixteen billion, six hundred sixty-one million, four hundred thirty-one thousand, one hundred five".