111401104004141 has 4 divisors (see below), whose sum is σ = 127315547433312. Its totient is φ = 95486660574972.

The previous prime is 111401104004093. The next prime is 111401104004153. The reversal of 111401104004141 is 141400401104111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111401104004141 - 2⁴² = 107003057493037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111401104004041) 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, 7957221714575 + ... + 7957221714588.

It is an arithmetic number, because the mean of its divisors is an integer number (31828886858328).

Almost surely, 2^{111401104004141} is an apocalyptic number.

It is an amenable number.

111401104004141 is a deficient number, since it is larger than the sum of its proper divisors (15914443429171).

111401104004141 is an equidigital number, since it uses as much as digits as its factorization.

111401104004141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15914443429170.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 111401104004141 its reverse (141400401104111), we get a palindrome (252801505108252).

The spelling of 111401104004141 in words is "one hundred eleven trillion, four hundred one billion, one hundred four million, four thousand, one hundred forty-one".