11781753459 has 16 divisors (see below), whose sum is σ = 18199084032. Its totient is φ = 6640204608.

The previous prime is 11781753421. The next prime is 11781753461. The reversal of 11781753459 is 95435718711.

It is not a de Polignac number, because 11781753459 - 2¹¹ = 11781751411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11781753359) 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, 3841179 + ... + 3844244.

It is an arithmetic number, because the mean of its divisors is an integer number (1137442752).

Almost surely, 2^11781753459 is an apocalyptic number.

11781753459 is a deficient number, since it is larger than the sum of its proper divisors (6417330573).

11781753459 is an equidigital number, since it uses as much as digits as its factorization.

11781753459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685506.

The product of its digits is 1058400, while the sum is 51.

The spelling of 11781753459 in words is "eleven billion, seven hundred eighty-one million, seven hundred fifty-three thousand, four hundred fifty-nine".