126804207511 has 2 divisors, whose sum is σ = 126804207512. Its totient is φ = 126804207510.

The previous prime is 126804207479. The next prime is 126804207583. The reversal of 126804207511 is 115702408621.

It is a weak prime.

It is an emirp because it is prime and its reverse (115702408621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126804207511 - 2⁵ = 126804207479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126804907511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63402103755 + 63402103756.

It is an arithmetic number, because the mean of its divisors is an integer number (63402103756).

Almost surely, 2^126804207511 is an apocalyptic number.

126804207511 is a deficient number, since it is larger than the sum of its proper divisors (1).

126804207511 is an equidigital number, since it uses as much as digits as its factorization.

126804207511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 126804207511 in words is "one hundred twenty-six billion, eight hundred four million, two hundred seven thousand, five hundred eleven".