15204142241 has 4 divisors (see below), whose sum is σ = 15206666772. Its totient is φ = 15201617712.

The previous prime is 15204142237. The next prime is 15204142273. The reversal of 15204142241 is 14224140251.

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 5849190400 + 9354951841 = 76480^2 + 96721^2 .

It is a cyclic number.

It is not a de Polignac number, because 15204142241 - 2² = 15204142237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15204142241.

It is not an unprimeable number, because it can be changed into a prime (15204142201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253210 + ... + 1265283.

It is an arithmetic number, because the mean of its divisors is an integer number (3801666693).

Almost surely, 2^15204142241 is an apocalyptic number.

It is an amenable number.

15204142241 is a deficient number, since it is larger than the sum of its proper divisors (2524531).

15204142241 is an equidigital number, since it uses as much as digits as its factorization.

15204142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524530.

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

Adding to 15204142241 its reverse (14224140251), we get a palindrome (29428282492).

The spelling of 15204142241 in words is "fifteen billion, two hundred four million, one hundred forty-two thousand, two hundred forty-one".