111342360261 has 32 divisors (see below), whose sum is σ = 162938649600. Its totient is φ = 67069716480.

The previous prime is 111342360139. The next prime is 111342360277. The reversal of 111342360261 is 162063243111.

It is not a de Polignac number, because 111342360261 - 2⁷ = 111342360133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111342360281) 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 31 ways as a sum of consecutive naturals, for example, 17050245 + ... + 17056773.

It is an arithmetic number, because the mean of its divisors is an integer number (5091832800).

Almost surely, 2^111342360261 is an apocalyptic number.

111342360261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111342360261 is a deficient number, since it is larger than the sum of its proper divisors (51596289339).

111342360261 is a wasteful number, since it uses less digits than its factorization.

111342360261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9609.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 111342360261 in words is "one hundred eleven billion, three hundred forty-two million, three hundred sixty thousand, two hundred sixty-one".