111144401041 has 2 divisors, whose sum is σ = 111144401042. Its totient is φ = 111144401040.

The previous prime is 111144400951. The next prime is 111144401119. The reversal of 111144401041 is 140104441111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60292347025 + 50852054016 = 245545^2 + 225504^2 .

It is a cyclic number.

It is not a de Polignac number, because 111144401041 - 2¹⁵ = 111144368273 is a prime.

It is not a weakly prime, because it can be changed into another prime (111144471041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55572200520 + 55572200521.

It is an arithmetic number, because the mean of its divisors is an integer number (55572200521).

Almost surely, 2^111144401041 is an apocalyptic number.

It is an amenable number.

111144401041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111144401041 is an equidigital number, since it uses as much as digits as its factorization.

111144401041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111144401041 its reverse (140104441111), we get a palindrome (251248842152).

The spelling of 111144401041 in words is "one hundred eleven billion, one hundred forty-four million, four hundred one thousand, forty-one".