821046726711 has 12 divisors (see below), whose sum is σ = 1224213040960. Its totient is φ = 529707565440.

The previous prime is 821046726667. The next prime is 821046726713. The reversal of 821046726711 is 117627640128.

It is not a de Polignac number, because 821046726711 - 2¹⁰ = 821046725687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (821046726713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1471409626 + ... + 1471410183.

Almost surely, 2^821046726711 is an apocalyptic number.

821046726711 is a deficient number, since it is larger than the sum of its proper divisors (403166314249).

821046726711 is a wasteful number, since it uses less digits than its factorization.

821046726711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942819846 (or 2942819843 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 821046726711 in words is "eight hundred twenty-one billion, forty-six million, seven hundred twenty-six thousand, seven hundred eleven".