10996561 has 8 divisors (see below), whose sum is σ = 11146464. Its totient is φ = 10848000.

The previous prime is 10996547. The next prime is 10996591. The reversal of 10996561 is 16569901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10996561 - 2⁹ = 10996049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10996561.

It is not an unprimeable number, because it can be changed into a prime (10996591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43686 + ... + 43936.

It is an arithmetic number, because the mean of its divisors is an integer number (1393308).

Almost surely, 2^10996561 is an apocalyptic number.

It is an amenable number.

10996561 is a deficient number, since it is larger than the sum of its proper divisors (149903).

10996561 is a wasteful number, since it uses less digits than its factorization.

10996561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 10996561 is about 3316.1063010706. The cubic root of 10996561 is about 222.3748300730.

The spelling of 10996561 in words is "ten million, nine hundred ninety-six thousand, five hundred sixty-one".