111650061 has 8 divisors (see below), whose sum is σ = 156701920. Its totient is φ = 70515792.

The previous prime is 111650057. The next prime is 111650089. The reversal of 111650061 is 160056111.

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

It is not a de Polignac number, because 111650061 - 2² = 111650057 is a prime.

It is a super-2 number, since 2×111650061² = 24931472242607442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111650041) 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, 979330 + ... + 979443.

It is an arithmetic number, because the mean of its divisors is an integer number (19587740).

Almost surely, 2^111650061 is an apocalyptic number.

It is an amenable number.

111650061 is a deficient number, since it is larger than the sum of its proper divisors (45051859).

111650061 is a wasteful number, since it uses less digits than its factorization.

111650061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958795.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 111650061 is about 10566.4592461240. The cubic root of 111650061 is about 481.5259036129.

The spelling of 111650061 in words is "one hundred eleven million, six hundred fifty thousand, sixty-one".