126455906305 has 16 divisors (see below), whose sum is σ = 152357000400. Its totient is φ = 100758896640.

The previous prime is 126455906299. The next prime is 126455906347. The reversal of 126455906305 is 503609554621.

It can be written as a sum of positive squares in 8 ways, for example, as 7794947521 + 118660958784 = 88289^2 + 344472^2 .

It is not a de Polignac number, because 126455906305 - 2⁷ = 126455906177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262611 + ... + 1359079.

It is an arithmetic number, because the mean of its divisors is an integer number (9522312525).

Almost surely, 2^126455906305 is an apocalyptic number.

It is an amenable number.

126455906305 is a deficient number, since it is larger than the sum of its proper divisors (25901094095).

126455906305 is an equidigital number, since it uses as much as digits as its factorization.

126455906305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97524.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 126455906305 in words is "one hundred twenty-six billion, four hundred fifty-five million, nine hundred six thousand, three hundred five".