111060100561 has 8 divisors (see below), whose sum is σ = 113482650240. Its totient is φ = 108640033008.

The previous prime is 111060100553. The next prime is 111060100577. The reversal of 111060100561 is 165001060111.

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

It is not a de Polignac number, because 111060100561 - 2³ = 111060100553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111060170561) 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, 529926 + ... + 709183.

It is an arithmetic number, because the mean of its divisors is an integer number (14185331280).

Almost surely, 2^111060100561 is an apocalyptic number.

It is an amenable number.

111060100561 is a deficient number, since it is larger than the sum of its proper divisors (2422549679).

111060100561 is a wasteful number, since it uses less digits than its factorization.

111060100561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241063.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 111060100561 its reverse (165001060111), we get a palindrome (276061160672).

The spelling of 111060100561 in words is "one hundred eleven billion, sixty million, one hundred thousand, five hundred sixty-one".