11755403063 has 4 divisors (see below), whose sum is σ = 12266507568. Its totient is φ = 11244298560.

The previous prime is 11755403053. The next prime is 11755403069. The reversal of 11755403063 is 36030455711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11755403063 - 2⁸ = 11755402807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11755403069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255552218 + ... + 255552263.

It is an arithmetic number, because the mean of its divisors is an integer number (3066626892).

Almost surely, 2^11755403063 is an apocalyptic number.

11755403063 is a deficient number, since it is larger than the sum of its proper divisors (511104505).

11755403063 is an equidigital number, since it uses as much as digits as its factorization.

11755403063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511104504.

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 11755403063 its reverse (36030455711), we get a palindrome (47785858774).

The spelling of 11755403063 in words is "eleven billion, seven hundred fifty-five million, four hundred three thousand, sixty-three".