1097716261441 has 2 divisors, whose sum is σ = 1097716261442. Its totient is φ = 1097716261440.

The previous prime is 1097716261429. The next prime is 1097716261559. The reversal of 1097716261441 is 1441626177901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 894545206416 + 203171055025 = 945804^2 + 450745^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097716261441 - 2⁵ = 1097716261409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1097716264441) 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, 548858130720 + 548858130721.

It is an arithmetic number, because the mean of its divisors is an integer number (548858130721).

Almost surely, 2^{1097716261441} is an apocalyptic number.

It is an amenable number.

1097716261441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097716261441 is an equidigital number, since it uses as much as digits as its factorization.

1097716261441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 1097716261441 in words is "one trillion, ninety-seven billion, seven hundred sixteen million, two hundred sixty-one thousand, four hundred forty-one".