111061001061 has 24 divisors (see below), whose sum is σ = 161140112640. Its totient is φ = 73709316096.

The previous prime is 111061001057. The next prime is 111061001063. The reversal of 111061001061 is 160100160111.

It is not a de Polignac number, because 111061001061 - 2² = 111061001057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111061001063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4203430 + ... + 4229768.

It is an arithmetic number, because the mean of its divisors is an integer number (6714171360).

Almost surely, 2^111061001061 is an apocalyptic number.

It is an amenable number.

111061001061 is a deficient number, since it is larger than the sum of its proper divisors (50079111579).

111061001061 is a wasteful number, since it uses less digits than its factorization.

111061001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28425 (or 28422 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 111061001061 its reverse (160100160111), we get a palindrome (271161161172).

The spelling of 111061001061 in words is "one hundred eleven billion, sixty-one million, one thousand, sixty-one".