2405404151231 has 2 divisors, whose sum is σ = 2405404151232. Its totient is φ = 2405404151230.

The previous prime is 2405404151191. The next prime is 2405404151251. The reversal of 2405404151231 is 1321514045042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2405404151231 - 2⁶ = 2405404151167 is a prime.

It is a super-2 number, since 2×2405404151231² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405404151251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202702075615 + 1202702075616.

It is an arithmetic number, because the mean of its divisors is an integer number (1202702075616).

Almost surely, 2^{2405404151231} is an apocalyptic number.

2405404151231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405404151231 is an equidigital number, since it uses as much as digits as its factorization.

2405404151231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 2405404151231 its reverse (1321514045042), we get a palindrome (3726918196273).

The spelling of 2405404151231 in words is "two trillion, four hundred five billion, four hundred four million, one hundred fifty-one thousand, two hundred thirty-one".