11756328047 has 8 divisors (see below), whose sum is σ = 11806204800. Its totient is φ = 11706552864.

The previous prime is 11756327971. The next prime is 11756328079. The reversal of 11756328047 is 74082365711.

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 11756328047 - 2¹⁴ = 11756311663 is a prime.

It is a super-2 number, since 2×11756328047² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11756327989 and 11756328007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11756328847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211229 + ... + 261017.

It is an arithmetic number, because the mean of its divisors is an integer number (1475775600).

Almost surely, 2^11756328047 is an apocalyptic number.

11756328047 is a deficient number, since it is larger than the sum of its proper divisors (49876753).

11756328047 is an equidigital number, since it uses as much as digits as its factorization.

11756328047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50785.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 11756328047 in words is "eleven billion, seven hundred fifty-six million, three hundred twenty-eight thousand, forty-seven".