10425906554561 has 2 divisors, whose sum is σ = 10425906554562. Its totient is φ = 10425906554560.

The previous prime is 10425906554549. The next prime is 10425906554617. The reversal of 10425906554561 is 16545560952401.

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., 10037846081536 + 388060473025 = 3168256^2 + 622945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10425906554561 is a prime.

It is not a weakly prime, because it can be changed into another prime (10425906554761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5212953277280 + 5212953277281.

It is an arithmetic number, because the mean of its divisors is an integer number (5212953277281).

Almost surely, 2^{10425906554561} is an apocalyptic number.

It is an amenable number.

10425906554561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10425906554561 is an equidigital number, since it uses as much as digits as its factorization.

10425906554561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 10425906554561 in words is "ten trillion, four hundred twenty-five billion, nine hundred six million, five hundred fifty-four thousand, five hundred sixty-one".