116609911 has 8 divisors (see below), whose sum is σ = 129611664. Its totient is φ = 104008320.

The previous prime is 116609891. The next prime is 116609929. The reversal of 116609911 is 119906611.

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 116609911 - 2¹¹ = 116607863 is a prime.

116609911 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116609971) 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, 99426 + ... + 100591.

It is an arithmetic number, because the mean of its divisors is an integer number (16201458).

Almost surely, 2^116609911 is an apocalyptic number.

116609911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116609911 is a deficient number, since it is larger than the sum of its proper divisors (13001753).

116609911 is a wasteful number, since it uses less digits than its factorization.

116609911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200081.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 116609911 is about 10798.6069008924. The cubic root of 116609911 is about 488.5531539420.

The spelling of 116609911 in words is "one hundred sixteen million, six hundred nine thousand, nine hundred eleven".