111550000601 has 16 divisors (see below), whose sum is σ = 120466241280. Its totient is φ = 102681976320.

The previous prime is 111550000591. The next prime is 111550000649. The reversal of 111550000601 is 106000055111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111550000601 is a prime.

It is a super-2 number, since 2×111550000601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111550000651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11364986 + ... + 11374796.

It is an arithmetic number, because the mean of its divisors is an integer number (7529140080).

Almost surely, 2^111550000601 is an apocalyptic number.

It is an amenable number.

111550000601 is a deficient number, since it is larger than the sum of its proper divisors (8916240679).

111550000601 is a wasteful number, since it uses less digits than its factorization.

111550000601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 111550000601 its reverse (106000055111), we get a palindrome (217550055712).

The spelling of 111550000601 in words is "one hundred eleven billion, five hundred fifty million, six hundred one", and thus it is an aban number.