126462261533 has 2 divisors, whose sum is σ = 126462261534. Its totient is φ = 126462261532.

The previous prime is 126462261509. The next prime is 126462261593. The reversal of 126462261533 is 335162264621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74260065049 + 52202196484 = 272507^2 + 228478^2 .

It is a cyclic number.

It is not a de Polignac number, because 126462261533 - 2²⁴ = 126445484317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126462261593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63231130766 + 63231130767.

It is an arithmetic number, because the mean of its divisors is an integer number (63231130767).

Almost surely, 2^126462261533 is an apocalyptic number.

It is an amenable number.

126462261533 is a deficient number, since it is larger than the sum of its proper divisors (1).

126462261533 is an equidigital number, since it uses as much as digits as its factorization.

126462261533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 126462261533 in words is "one hundred twenty-six billion, four hundred sixty-two million, two hundred sixty-one thousand, five hundred thirty-three".