40424120201111 has 2 divisors, whose sum is σ = 40424120201112. Its totient is φ = 40424120201110.

The previous prime is 40424120201077. The next prime is 40424120201137. The reversal of 40424120201111 is 11110202142404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40424120201111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40424120201191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212060100555 + 20212060100556.

It is an arithmetic number, because the mean of its divisors is an integer number (20212060100556).

Almost surely, 2^{40424120201111} is an apocalyptic number.

40424120201111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40424120201111 is an equidigital number, since it uses as much as digits as its factorization.

40424120201111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 40424120201111 its reverse (11110202142404), we get a palindrome (51534322343515).

The spelling of 40424120201111 in words is "forty trillion, four hundred twenty-four billion, one hundred twenty million, two hundred one thousand, one hundred eleven".