1021164962761 has 2 divisors, whose sum is σ = 1021164962762. Its totient is φ = 1021164962760.

The previous prime is 1021164962663. The next prime is 1021164962801. The reversal of 1021164962761 is 1672694611201.

1021164962761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825154224400 + 196010738361 = 908380^2 + 442731^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021164962761 - 2²¹ = 1021162865609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021164962261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510582481380 + 510582481381.

It is an arithmetic number, because the mean of its divisors is an integer number (510582481381).

Almost surely, 2^{1021164962761} is an apocalyptic number.

It is an amenable number.

1021164962761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021164962761 is an equidigital number, since it uses as much as digits as its factorization.

1021164962761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 1021164962761 in words is "one trillion, twenty-one billion, one hundred sixty-four million, nine hundred sixty-two thousand, seven hundred sixty-one".