10771681049989 has 2 divisors, whose sum is σ = 10771681049990. Its totient is φ = 10771681049988.

The previous prime is 10771681049957. The next prime is 10771681049999. The reversal of 10771681049989 is 98994018617701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8315696853025 + 2455984196964 = 2883695^2 + 1567158^2 .

It is a cyclic number.

It is not a de Polignac number, because 10771681049989 - 2⁵ = 10771681049957 is a prime.

It is a super-2 number, since 2×10771681049989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10771681049999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5385840524994 + 5385840524995.

It is an arithmetic number, because the mean of its divisors is an integer number (5385840524995).

Almost surely, 2^{10771681049989} is an apocalyptic number.

It is an amenable number.

10771681049989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10771681049989 is an equidigital number, since it uses as much as digits as its factorization.

10771681049989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 70.

The spelling of 10771681049989 in words is "ten trillion, seven hundred seventy-one billion, six hundred eighty-one million, forty-nine thousand, nine hundred eighty-nine".