15435042241 has 4 divisors (see below), whose sum is σ = 15439897684. Its totient is φ = 15430186800.

The previous prime is 15435042223. The next prime is 15435042251. The reversal of 15435042241 is 14224053451.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2315630641 + 13119411600 = 48121^2 + 114540^2 .

It is a cyclic number.

It is not a de Polignac number, because 15435042241 - 2⁵ = 15435042209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15435042221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2422950 + ... + 2429311.

It is an arithmetic number, because the mean of its divisors is an integer number (3859974421).

Almost surely, 2^15435042241 is an apocalyptic number.

It is an amenable number.

15435042241 is a deficient number, since it is larger than the sum of its proper divisors (4855443).

15435042241 is an equidigital number, since it uses as much as digits as its factorization.

15435042241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855442.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 15435042241 its reverse (14224053451), we get a palindrome (29659095692).

The spelling of 15435042241 in words is "fifteen billion, four hundred thirty-five million, forty-two thousand, two hundred forty-one".