104956656461 has 2 divisors, whose sum is σ = 104956656462. Its totient is φ = 104956656460.

The previous prime is 104956656443. The next prime is 104956656463. The reversal of 104956656461 is 164656659401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99483468100 + 5473188361 = 315410^2 + 73981^2 .

It is a cyclic number.

It is not a de Polignac number, because 104956656461 - 2¹⁰ = 104956655437 is a prime.

It is a super-2 number, since 2×104956656461² (a number of 23 digits) contains 22 as substring.

Together with 104956656463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104956656463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52478328230 + 52478328231.

It is an arithmetic number, because the mean of its divisors is an integer number (52478328231).

Almost surely, 2^104956656461 is an apocalyptic number.

It is an amenable number.

104956656461 is a deficient number, since it is larger than the sum of its proper divisors (1).

104956656461 is an equidigital number, since it uses as much as digits as its factorization.

104956656461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 104956656461 in words is "one hundred four billion, nine hundred fifty-six million, six hundred fifty-six thousand, four hundred sixty-one".