1158010573661 has 2 divisors, whose sum is σ = 1158010573662. Its totient is φ = 1158010573660.

The previous prime is 1158010573637. The next prime is 1158010573673. The reversal of 1158010573661 is 1663750108511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055357617636 + 102652956025 = 1027306^2 + 320395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158010573661 - 2¹⁸ = 1158010311517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1158010573691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579005286830 + 579005286831.

It is an arithmetic number, because the mean of its divisors is an integer number (579005286831).

Almost surely, 2^{1158010573661} is an apocalyptic number.

It is an amenable number.

1158010573661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158010573661 is an equidigital number, since it uses as much as digits as its factorization.

1158010573661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 1158010573661 in words is "one trillion, one hundred fifty-eight billion, ten million, five hundred seventy-three thousand, six hundred sixty-one".