11156913222273 has 108 divisors (see below), whose sum is σ = 21307191610068. Its totient is φ = 5575229170560.

The previous prime is 11156913222239. The next prime is 11156913222293. The reversal of 11156913222273 is 37222231965111.

11156913222273 is a `hidden beast` number, since 1 + 1 + 1 + 56 + 9 + 1 + 322 + 2 + 273 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1401460571889 + 9755452650384 = 1183833^2 + 3123372^2 .

It is not a de Polignac number, because 11156913222273 - 2⁶ = 11156913222209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11156913222293) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 625798 + ... + 4765023.

Almost surely, 2^{11156913222273} is an apocalyptic number.

11156913222273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11156913222273 is a deficient number, since it is larger than the sum of its proper divisors (10150278387795).

11156913222273 is a wasteful number, since it uses less digits than its factorization.

11156913222273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390892 (or 5390863 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The spelling of 11156913222273 in words is "eleven trillion, one hundred fifty-six billion, nine hundred thirteen million, two hundred twenty-two thousand, two hundred seventy-three".