11707213226 has 16 divisors (see below), whose sum is σ = 18015947208. Its totient is φ = 5702323200.

The previous prime is 11707213211. The next prime is 11707213229. The reversal of 11707213226 is 62231270711.

It can be written as a sum of positive squares in 4 ways, for example, as 7726234201 + 3980979025 = 87899^2 + 63095^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11707213192 and 11707213201.

It is not an unprimeable number, because it can be changed into a prime (11707213229) 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, 50885 + ... + 161256.

Almost surely, 2^11707213226 is an apocalyptic number.

11707213226 is a deficient number, since it is larger than the sum of its proper divisors (6308733982).

11707213226 is a wasteful number, since it uses less digits than its factorization.

11707213226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212857.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 11707213226 its reverse (62231270711), we get a palindrome (73938483937).

The spelling of 11707213226 in words is "eleven billion, seven hundred seven million, two hundred thirteen thousand, two hundred twenty-six".