111055505601 has 8 divisors (see below), whose sum is σ = 148901237280. Its totient is φ = 73623388832.

The previous prime is 111055505593. The next prime is 111055505641. The reversal of 111055505601 is 106505550111.

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 111055505601 - 2³ = 111055505593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111055505641) 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, 103403100 + ... + 103404173.

It is an arithmetic number, because the mean of its divisors is an integer number (18612654660).

Almost surely, 2^111055505601 is an apocalyptic number.

It is an amenable number.

111055505601 is a deficient number, since it is larger than the sum of its proper divisors (37845731679).

111055505601 is a wasteful number, since it uses less digits than its factorization.

111055505601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206807455.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 111055505601 in words is "one hundred eleven billion, fifty-five million, five hundred five thousand, six hundred one".