15532240241 has 4 divisors (see below), whose sum is σ = 17751131712. Its totient is φ = 13313348772.

The previous prime is 15532240201. The next prime is 15532240271. The reversal of 15532240241 is 14204223551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15532240241 - 2¹⁴ = 15532223857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15532240201) 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, 1109445725 + ... + 1109445738.

It is an arithmetic number, because the mean of its divisors is an integer number (4437782928).

Almost surely, 2^15532240241 is an apocalyptic number.

It is an amenable number.

15532240241 is a deficient number, since it is larger than the sum of its proper divisors (2218891471).

15532240241 is an equidigital number, since it uses as much as digits as its factorization.

15532240241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218891470.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 15532240241 its reverse (14204223551), we get a palindrome (29736463792).

The spelling of 15532240241 in words is "fifteen billion, five hundred thirty-two million, two hundred forty thousand, two hundred forty-one".