10821244895977 has 2 divisors, whose sum is σ = 10821244895978. Its totient is φ = 10821244895976.

The previous prime is 10821244895957. The next prime is 10821244896013. The reversal of 10821244895977 is 77959844212801.

10821244895977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7117098148521 + 3704146747456 = 2667789^2 + 1924616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10821244895977 is a prime.

It is not a weakly prime, because it can be changed into another prime (10821244895957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410622447988 + 5410622447989.

It is an arithmetic number, because the mean of its divisors is an integer number (5410622447989).

Almost surely, 2^{10821244895977} is an apocalyptic number.

It is an amenable number.

10821244895977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10821244895977 is an equidigital number, since it uses as much as digits as its factorization.

10821244895977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 67.

The spelling of 10821244895977 in words is "ten trillion, eight hundred twenty-one billion, two hundred forty-four million, eight hundred ninety-five thousand, nine hundred seventy-seven".