10923045561 has 16 divisors (see below), whose sum is σ = 16364116800. Its totient is φ = 7200208224.

The previous prime is 10923045559. The next prime is 10923045643. The reversal of 10923045561 is 16554032901.

10923045561 is a `hidden beast` number, since 1 + 0 + 92 + 3 + 0 + 4 + 5 + 561 = 666.

It is not a de Polignac number, because 10923045561 - 2¹ = 10923045559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10923045361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2270391 + ... + 2275196.

It is an arithmetic number, because the mean of its divisors is an integer number (1022757300).

Almost surely, 2^10923045561 is an apocalyptic number.

It is an amenable number.

10923045561 is a deficient number, since it is larger than the sum of its proper divisors (5441071239).

10923045561 is an equidigital number, since it uses as much as digits as its factorization.

10923045561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545685 (or 4545679 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 10923045561 in words is "ten billion, nine hundred twenty-three million, forty-five thousand, five hundred sixty-one".