15205401241 has 4 divisors (see below), whose sum is σ = 15207213184. Its totient is φ = 15203589300.

The previous prime is 15205401209. The next prime is 15205401247. The reversal of 15205401241 is 14210450251.

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 15205401241 - 2⁵ = 15205401209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15205401247) 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, 893325 + ... + 910186.

It is an arithmetic number, because the mean of its divisors is an integer number (3801803296).

Almost surely, 2^15205401241 is an apocalyptic number.

It is an amenable number.

15205401241 is a deficient number, since it is larger than the sum of its proper divisors (1811943).

15205401241 is an equidigital number, since it uses as much as digits as its factorization.

15205401241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811942.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 15205401241 its reverse (14210450251), we get a palindrome (29415851492).

The spelling of 15205401241 in words is "fifteen billion, two hundred five million, four hundred one thousand, two hundred forty-one".