9457104017561 has 2 divisors, whose sum is σ = 9457104017562. Its totient is φ = 9457104017560.

The previous prime is 9457104017549. The next prime is 9457104017587. The reversal of 9457104017561 is 1657104017549.

9457104017561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7018022214025 + 2439081803536 = 2649155^2 + 1561756^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9457104017561 is a prime.

It is not a weakly prime, because it can be changed into another prime (9457104517561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4728552008780 + 4728552008781.

It is an arithmetic number, because the mean of its divisors is an integer number (4728552008781).

Almost surely, 2^{9457104017561} is an apocalyptic number.

It is an amenable number.

9457104017561 is a deficient number, since it is larger than the sum of its proper divisors (1).

9457104017561 is an equidigital number, since it uses as much as digits as its factorization.

9457104017561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 9457104017561 in words is "nine trillion, four hundred fifty-seven billion, one hundred four million, seventeen thousand, five hundred sixty-one".