11908057225 has 12 divisors (see below), whose sum is σ = 15044596236. Its totient is φ = 9346700480.

The previous prime is 11908057223. The next prime is 11908057229. The reversal of 11908057225 is 52275080911.

It can be written as a sum of positive squares in 6 ways, for example, as 3283344 + 11904773881 = 1812^2 + 109109^2 .

It is not a de Polignac number, because 11908057225 - 2¹ = 11908057223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11908057223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4492282 + ... + 4494931.

It is an arithmetic number, because the mean of its divisors is an integer number (1253716353).

Almost surely, 2^11908057225 is an apocalyptic number.

It is an amenable number.

11908057225 is a deficient number, since it is larger than the sum of its proper divisors (3136539011).

11908057225 is an equidigital number, since it uses as much as digits as its factorization.

11908057225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987276 (or 8987271 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 11908057225 in words is "eleven billion, nine hundred eight million, fifty-seven thousand, two hundred twenty-five".