405255314445511 has 2 divisors, whose sum is σ = 405255314445512. Its totient is φ = 405255314445510.

The previous prime is 405255314445473. The next prime is 405255314445521. The reversal of 405255314445511 is 115544413552504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 405255314445511 - 2³⁹ = 404705558631623 is a prime.

It is a super-2 number, since 2×405255314445511² (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 (405255314445521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202627657222755 + 202627657222756.

It is an arithmetic number, because the mean of its divisors is an integer number (202627657222756).

Almost surely, 2^{405255314445511} is an apocalyptic number.

405255314445511 is a deficient number, since it is larger than the sum of its proper divisors (1).

405255314445511 is an equidigital number, since it uses as much as digits as its factorization.

405255314445511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800000, while the sum is 49.

The spelling of 405255314445511 in words is "four hundred five trillion, two hundred fifty-five billion, three hundred fourteen million, four hundred forty-five thousand, five hundred eleven".