1061155643201 has 2 divisors, whose sum is σ = 1061155643202. Its totient is φ = 1061155643200.

The previous prime is 1061155643147. The next prime is 1061155643297. The reversal of 1061155643201 is 1023465511601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060683711025 + 471932176 = 1029895^2 + 21724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061155643201 - 2¹⁸ = 1061155381057 is a prime.

It is a super-2 number, since 2×1061155643201² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061155643501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530577821600 + 530577821601.

It is an arithmetic number, because the mean of its divisors is an integer number (530577821601).

Almost surely, 2^{1061155643201} is an apocalyptic number.

It is an amenable number.

1061155643201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061155643201 is an equidigital number, since it uses as much as digits as its factorization.

1061155643201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 1061155643201 in words is "one trillion, sixty-one billion, one hundred fifty-five million, six hundred forty-three thousand, two hundred one".