11854612242 has 54 divisors (see below), whose sum is σ = 28244371701. Its totient is φ = 3590766960.

The previous prime is 11854612207. The next prime is 11854612279. The reversal of 11854612242 is 24221645811.

11854612242 is a `hidden beast` number, since 1 + 18 + 5 + 4 + 612 + 24 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11552165361 + 302446881 = 107481^2 + 17391^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=76989.

It is a junction number, because it is equal to n+sod(n) for n = 11854612197 and 11854612206.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5080108 + ... + 5082440.

Almost surely, 2^11854612242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11854612242

11854612242 is an abundant number, since it is smaller than the sum of its proper divisors (16389759459).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11854612242 is an equidigital number, since it uses as much as digits as its factorization.

11854612242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 2349 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The spelling of 11854612242 in words is "eleven billion, eight hundred fifty-four million, six hundred twelve thousand, two hundred forty-two".