126410513546857 has 2 divisors, whose sum is σ = 126410513546858. Its totient is φ = 126410513546856.

The previous prime is 126410513546831. The next prime is 126410513546887. The reversal of 126410513546857 is 758645315014621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118818262343641 + 7592251203216 = 10900379^2 + 2755404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126410513546857 is a prime.

It is a super-2 number, since 2×126410513546857² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126410513546827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63205256773428 + 63205256773429.

It is an arithmetic number, because the mean of its divisors is an integer number (63205256773429).

Almost surely, 2^{126410513546857} is an apocalyptic number.

It is an amenable number.

126410513546857 is a deficient number, since it is larger than the sum of its proper divisors (1).

126410513546857 is an equidigital number, since it uses as much as digits as its factorization.

126410513546857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 126410513546857 in words is "one hundred twenty-six trillion, four hundred ten billion, five hundred thirteen million, five hundred forty-six thousand, eight hundred fifty-seven".