11707213225 has 6 divisors (see below), whose sum is σ = 14516944430. Its totient is φ = 9365770560.

The previous prime is 11707213211. The next prime is 11707213229. The reversal of 11707213225 is 52231270711.

It can be written as a sum of positive squares in 3 ways, for example, as 197571136 + 11509642089 = 14056^2 + 107283^2 .

It is not a de Polignac number, because 11707213225 - 2⁷ = 11707213097 is a prime.

It is a super-2 number, since 2×11707213225² (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 234144240 + ... + 234144289.

Almost surely, 2^11707213225 is an apocalyptic number.

It is an amenable number.

11707213225 is a deficient number, since it is larger than the sum of its proper divisors (2809731205).

11707213225 is an equidigital number, since it uses as much as digits as its factorization.

11707213225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468288539 (or 468288534 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 11707213225 its reverse (52231270711), we get a palindrome (63938483936).

The spelling of 11707213225 in words is "eleven billion, seven hundred seven million, two hundred thirteen thousand, two hundred twenty-five".