111680699 has 8 divisors (see below), whose sum is σ = 122541552. Its totient is φ = 101144160.

The previous prime is 111680677. The next prime is 111680707. The reversal of 111680699 is 996086111.

111680699 = T₁₈₉ + T₁₉₀ + ... + T₈₇₇.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-111680699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111680609) 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, 80357 + ... + 81734.

It is an arithmetic number, because the mean of its divisors is an integer number (15317694).

Almost surely, 2^111680699 is an apocalyptic number.

111680699 is a deficient number, since it is larger than the sum of its proper divisors (10860853).

111680699 is a wasteful number, since it uses less digits than its factorization.

111680699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162157.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 111680699 is about 10567.9089227718. The cubic root of 111680699 is about 481.5699449126.

The spelling of 111680699 in words is "one hundred eleven million, six hundred eighty thousand, six hundred ninety-nine".