11667310225 has 12 divisors (see below), whose sum is σ = 14540909724. Its totient is φ = 9286464320.

The previous prime is 11667310219. The next prime is 11667310243. The reversal of 11667310225 is 52201376611.

11667310225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1076430481 + 10590879744 = 32809^2 + 102912^2 .

It is not a de Polignac number, because 11667310225 - 2⁷ = 11667310097 is a prime.

It is a super-2 number, since 2×11667310225² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179574 + ... + 1189423.

It is an arithmetic number, because the mean of its divisors is an integer number (1211742477).

Almost surely, 2^11667310225 is an apocalyptic number.

It is an amenable number.

11667310225 is a deficient number, since it is larger than the sum of its proper divisors (2873599499).

11667310225 is a wasteful number, since it uses less digits than its factorization.

11667310225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369204 (or 2369199 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 11667310225 its reverse (52201376611), we get a palindrome (63868686836).

The spelling of 11667310225 in words is "eleven billion, six hundred sixty-seven million, three hundred ten thousand, two hundred twenty-five".