11937242241 has 20 divisors (see below), whose sum is σ = 18016025412. Its totient is φ = 7876113408.

The previous prime is 11937242237. The next prime is 11937242267. The reversal of 11937242241 is 14224273911.

11937242241 is a `hidden beast` number, since 1 + 1 + 9 + 372 + 42 + 241 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2861822016 + 9075420225 = 53496^2 + 95265^2 .

It is not a de Polignac number, because 11937242241 - 2² = 11937242237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11937242196 and 11937242205.

It is not an unprimeable number, because it can be changed into a prime (11937242221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 751800 + ... + 767513.

Almost surely, 2^11937242241 is an apocalyptic number.

It is an amenable number.

11937242241 is a deficient number, since it is larger than the sum of its proper divisors (6078783171).

11937242241 is an equidigital number, since it uses as much as digits as its factorization.

11937242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519422 (or 1519413 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 11937242241 in words is "eleven billion, nine hundred thirty-seven million, two hundred forty-two thousand, two hundred forty-one".