405055034261 has 2 divisors, whose sum is σ = 405055034262. Its totient is φ = 405055034260.

The previous prime is 405055034149. The next prime is 405055034311. The reversal of 405055034261 is 162430550504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369383157361 + 35671876900 = 607769^2 + 188870^2 .

It is a cyclic number.

It is not a de Polignac number, because 405055034261 - 2¹⁴ = 405055017877 is a prime.

It is a super-2 number, since 2×405055034261² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (405055039261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202527517130 + 202527517131.

It is an arithmetic number, because the mean of its divisors is an integer number (202527517131).

Almost surely, 2^405055034261 is an apocalyptic number.

It is an amenable number.

405055034261 is a deficient number, since it is larger than the sum of its proper divisors (1).

405055034261 is an equidigital number, since it uses as much as digits as its factorization.

405055034261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 405055034261 its reverse (162430550504), we get a palindrome (567485584765).

The spelling of 405055034261 in words is "four hundred five billion, fifty-five million, thirty-four thousand, two hundred sixty-one".