111442345236361 has 4 divisors (see below), whose sum is σ = 115285184727300. Its totient is φ = 107599505745424.

The previous prime is 111442345236349. The next prime is 111442345236367. The reversal of 111442345236361 is 163632543244111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47789569000000 + 63652776236361 = 6913000^2 + 7978269^2 .

It is a cyclic number.

It is not a de Polignac number, because 111442345236361 - 2¹⁵ = 111442345203593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111442345236367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921419745426 + ... + 1921419745483.

It is an arithmetic number, because the mean of its divisors is an integer number (28821296181825).

Almost surely, 2^{111442345236361} is an apocalyptic number.

It is an amenable number.

111442345236361 is a deficient number, since it is larger than the sum of its proper divisors (3842839490939).

111442345236361 is an equidigital number, since it uses as much as digits as its factorization.

111442345236361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842839490938.

The product of its digits is 1244160, while the sum is 46.

The spelling of 111442345236361 in words is "one hundred eleven trillion, four hundred forty-two billion, three hundred forty-five million, two hundred thirty-six thousand, three hundred sixty-one".