11716872155 has 8 divisors (see below), whose sum is σ = 14063229600. Its totient is φ = 9371509056.

The previous prime is 11716872151. The next prime is 11716872203. The reversal of 11716872155 is 55127861711.

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 11716872155 - 2² = 11716872151 is a prime.

It is a super-2 number, since 2×11716872155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11716872151) 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, 222410 + ... + 269999.

It is an arithmetic number, because the mean of its divisors is an integer number (1757903700).

Almost surely, 2^11716872155 is an apocalyptic number.

11716872155 is a deficient number, since it is larger than the sum of its proper divisors (2346357445).

11716872155 is an equidigital number, since it uses as much as digits as its factorization.

11716872155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497173.

The product of its digits is 117600, while the sum is 44.

The spelling of 11716872155 in words is "eleven billion, seven hundred sixteen million, eight hundred seventy-two thousand, one hundred fifty-five".