11955079547 has 4 divisors (see below), whose sum is σ = 12584294280. Its totient is φ = 11325864816.

The previous prime is 11955079523. The next prime is 11955079589. The reversal of 11955079547 is 74597055911.

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 11955079547 - 2¹⁴ = 11955063163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11955079597) 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, 314607338 + ... + 314607375.

It is an arithmetic number, because the mean of its divisors is an integer number (3146073570).

Almost surely, 2^11955079547 is an apocalyptic number.

11955079547 is a deficient number, since it is larger than the sum of its proper divisors (629214733).

11955079547 is an equidigital number, since it uses as much as digits as its factorization.

11955079547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629214732.

The product of its (nonzero) digits is 1984500, while the sum is 53.

The spelling of 11955079547 in words is "eleven billion, nine hundred fifty-five million, seventy-nine thousand, five hundred forty-seven".