11792561 has 8 divisors (see below), whose sum is σ = 12945504. Its totient is φ = 10653120.

The previous prime is 11792551. The next prime is 11792563. The reversal of 11792561 is 16529711.

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 11792561 - 2⁶ = 11792497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11792563) 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, 1496 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (1618188).

Almost surely, 2^11792561 is an apocalyptic number.

11792561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11792561 is a deficient number, since it is larger than the sum of its proper divisors (1152943).

11792561 is a wasteful number, since it uses less digits than its factorization.

11792561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

The product of its digits is 3780, while the sum is 32.

The square root of 11792561 is about 3434.0298484434. The cubic root of 11792561 is about 227.6159598829.

The spelling of 11792561 in words is "eleven million, seven hundred ninety-two thousand, five hundred sixty-one".