6424260215551 has 2 divisors, whose sum is σ = 6424260215552. Its totient is φ = 6424260215550.

The previous prime is 6424260215533. The next prime is 6424260215603. The reversal of 6424260215551 is 1555120624246.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6424260215551 - 2⁹ = 6424260215039 is a prime.

It is a super-2 number, since 2×6424260215551² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6424260215498 and 6424260215507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6424260215521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212130107775 + 3212130107776.

It is an arithmetic number, because the mean of its divisors is an integer number (3212130107776).

Almost surely, 2^{6424260215551} is an apocalyptic number.

6424260215551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424260215551 is an equidigital number, since it uses as much as digits as its factorization.

6424260215551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 6424260215551 its reverse (1555120624246), we get a palindrome (7979380839797).

The spelling of 6424260215551 in words is "six trillion, four hundred twenty-four billion, two hundred sixty million, two hundred fifteen thousand, five hundred fifty-one".