10974772561 has 2 divisors, whose sum is σ = 10974772562. Its totient is φ = 10974772560.

The previous prime is 10974772537. The next prime is 10974772577. The reversal of 10974772561 is 16527747901.

10974772561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6917082561 + 4057690000 = 83169^2 + 63700^2 .

It is a cyclic number.

It is not a de Polignac number, because 10974772561 - 2²¹ = 10972675409 is a prime.

It is not a weakly prime, because it can be changed into another prime (10974772961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5487386280 + 5487386281.

It is an arithmetic number, because the mean of its divisors is an integer number (5487386281).

Almost surely, 2^10974772561 is an apocalyptic number.

It is an amenable number.

10974772561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10974772561 is an equidigital number, since it uses as much as digits as its factorization.

10974772561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 10974772561 in words is "ten billion, nine hundred seventy-four million, seven hundred seventy-two thousand, five hundred sixty-one".