10142411361661 has 2 divisors, whose sum is σ = 10142411361662. Its totient is φ = 10142411361660.

The previous prime is 10142411361659. The next prime is 10142411361869. The reversal of 10142411361661 is 16616311424101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6029603025625 + 4112808336036 = 2455525^2 + 2028006^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142411361661 - 2¹ = 10142411361659 is a prime.

Together with 10142411361659, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10142411361661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10142411361611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071205680830 + 5071205680831.

It is an arithmetic number, because the mean of its divisors is an integer number (5071205680831).

Almost surely, 2^{10142411361661} is an apocalyptic number.

It is an amenable number.

10142411361661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142411361661 is an equidigital number, since it uses as much as digits as its factorization.

10142411361661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

Adding to 10142411361661 its reverse (16616311424101), we get a palindrome (26758722785762).

The spelling of 10142411361661 in words is "ten trillion, one hundred forty-two billion, four hundred eleven million, three hundred sixty-one thousand, six hundred sixty-one".