11809556753 has 8 divisors (see below), whose sum is σ = 12530350080. Its totient is φ = 11091664960.

The previous prime is 11809556741. The next prime is 11809556771. The reversal of 11809556753 is 35765590811.

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

It is not a de Polignac number, because 11809556753 - 2⁸ = 11809556497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11809556653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716993 + ... + 733278.

It is an arithmetic number, because the mean of its divisors is an integer number (1566293760).

Almost surely, 2^11809556753 is an apocalyptic number.

It is an amenable number.

11809556753 is a deficient number, since it is larger than the sum of its proper divisors (720793327).

11809556753 is a wasteful number, since it uses less digits than its factorization.

11809556753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450767.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 11809556753 in words is "eleven billion, eight hundred nine million, five hundred fifty-six thousand, seven hundred fifty-three".