11451204242 has 4 divisors (see below), whose sum is σ = 17176806366. Its totient is φ = 5725602120.

The previous prime is 11451204229. The next prime is 11451204251. The reversal of 11451204242 is 24240215411.

11451204242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11000024161 + 451180081 = 104881^2 + 21241^2 .

It is a super-2 number, since 2×11451204242² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862801059 + ... + 2862801062.

Almost surely, 2^11451204242 is an apocalyptic number.

11451204242 is a deficient number, since it is larger than the sum of its proper divisors (5725602124).

11451204242 is an equidigital number, since it uses as much as digits as its factorization.

11451204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725602123.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 11451204242 its reverse (24240215411), we get a palindrome (35691419653).

The spelling of 11451204242 in words is "eleven billion, four hundred fifty-one million, two hundred four thousand, two hundred forty-two".