1094510101661 has 2 divisors, whose sum is σ = 1094510101662. Its totient is φ = 1094510101660.

The previous prime is 1094510101651. The next prime is 1094510101681. The reversal of 1094510101661 is 1661010154901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 932201836036 + 162308265625 = 965506^2 + 402875^2 .

It is a cyclic number.

It is not a de Polignac number, because 1094510101661 - 2¹⁰ = 1094510100637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1094510101621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547255050830 + 547255050831.

It is an arithmetic number, because the mean of its divisors is an integer number (547255050831).

Almost surely, 2^{1094510101661} is an apocalyptic number.

It is an amenable number.

1094510101661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1094510101661 is an equidigital number, since it uses as much as digits as its factorization.

1094510101661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 1094510101661 in words is "one trillion, ninety-four billion, five hundred ten million, one hundred one thousand, six hundred sixty-one".