11727332172113 has 4 divisors (see below), whose sum is σ = 11902366980720. Its totient is φ = 11552297363508.

The previous prime is 11727332172103. The next prime is 11727332172137. The reversal of 11727332172113 is 31127123372711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11727332172113 - 2²² = 11727327977809 is a prime.

It is a super-2 number, since 2×11727332172113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11727332172103) 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, 87517404203 + ... + 87517404336.

It is an arithmetic number, because the mean of its divisors is an integer number (2975591745180).

Almost surely, 2^{11727332172113} is an apocalyptic number.

It is an amenable number.

11727332172113 is a deficient number, since it is larger than the sum of its proper divisors (175034808607).

11727332172113 is an equidigital number, since it uses as much as digits as its factorization.

11727332172113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175034808606.

The product of its digits is 74088, while the sum is 41.

The spelling of 11727332172113 in words is "eleven trillion, seven hundred twenty-seven billion, three hundred thirty-two million, one hundred seventy-two thousand, one hundred thirteen".