406254602203111 has 2 divisors, whose sum is σ = 406254602203112. Its totient is φ = 406254602203110.

The previous prime is 406254602203063. The next prime is 406254602203139. The reversal of 406254602203111 is 111302206452604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406254602203111 - 2⁹ = 406254602202599 is a prime.

It is a super-2 number, since 2×406254602203111² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406254602203711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203127301101555 + 203127301101556.

It is an arithmetic number, because the mean of its divisors is an integer number (203127301101556).

Almost surely, 2^{406254602203111} is an apocalyptic number.

406254602203111 is a deficient number, since it is larger than the sum of its proper divisors (1).

406254602203111 is an equidigital number, since it uses as much as digits as its factorization.

406254602203111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 406254602203111 its reverse (111302206452604), we get a palindrome (517556808655715).

The spelling of 406254602203111 in words is "four hundred six trillion, two hundred fifty-four billion, six hundred two million, two hundred three thousand, one hundred eleven".