726123276511 has 2 divisors, whose sum is σ = 726123276512. Its totient is φ = 726123276510.

The previous prime is 726123276491. The next prime is 726123276551. The reversal of 726123276511 is 115672321627.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 726123276511 - 2⁵ = 726123276479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (726123276551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363061638255 + 363061638256.

It is an arithmetic number, because the mean of its divisors is an integer number (363061638256).

Almost surely, 2^726123276511 is an apocalyptic number.

726123276511 is a deficient number, since it is larger than the sum of its proper divisors (1).

726123276511 is an equidigital number, since it uses as much as digits as its factorization.

726123276511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The spelling of 726123276511 in words is "seven hundred twenty-six billion, one hundred twenty-three million, two hundred seventy-six thousand, five hundred eleven".