1011061050689 has 2 divisors, whose sum is σ = 1011061050690. Its totient is φ = 1011061050688.

The previous prime is 1011061050677. The next prime is 1011061050721. The reversal of 1011061050689 is 9860501601101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997811199025 + 13249851664 = 998905^2 + 115108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011061050689 - 2⁴ = 1011061050673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011061059689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505530525344 + 505530525345.

It is an arithmetic number, because the mean of its divisors is an integer number (505530525345).

Almost surely, 2^{1011061050689} is an apocalyptic number.

It is an amenable number.

1011061050689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011061050689 is an equidigital number, since it uses as much as digits as its factorization.

1011061050689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 1011061050689 in words is "one trillion, eleven billion, sixty-one million, fifty thousand, six hundred eighty-nine".