126106911563 has 2 divisors, whose sum is σ = 126106911564. Its totient is φ = 126106911562.

The previous prime is 126106911551. The next prime is 126106911607. The reversal of 126106911563 is 365119601621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126106911563 - 2⁶ = 126106911499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126106911563.

It is not a weakly prime, because it can be changed into another prime (126106911533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63053455781 + 63053455782.

It is an arithmetic number, because the mean of its divisors is an integer number (63053455782).

Almost surely, 2^126106911563 is an apocalyptic number.

126106911563 is a deficient number, since it is larger than the sum of its proper divisors (1).

126106911563 is an equidigital number, since it uses as much as digits as its factorization.

126106911563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 126106911563 in words is "one hundred twenty-six billion, one hundred six million, nine hundred eleven thousand, five hundred sixty-three".