15530511241 has 6 divisors (see below), whose sum is σ = 18066104970. Its totient is φ = 13311866736.

The previous prime is 15530511229. The next prime is 15530511253. The reversal of 15530511241 is 14211503551.

It is an interprime number because it is at equal distance from previous prime (15530511229) and next prime (15530511253).

It can be written as a sum of positive squares in only one way, i.e., 13824821241 + 1705690000 = 117579^2 + 41300^2 .

It is not a de Polignac number, because 15530511241 - 2⁹ = 15530510729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15530511221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158474556 + ... + 158474653.

It is an arithmetic number, because the mean of its divisors is an integer number (3011017495).

Almost surely, 2^15530511241 is an apocalyptic number.

It is an amenable number.

15530511241 is a deficient number, since it is larger than the sum of its proper divisors (2535593729).

15530511241 is an equidigital number, since it uses as much as digits as its factorization.

15530511241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316949223 (or 316949216 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 15530511241 in words is "fifteen billion, five hundred thirty million, five hundred eleven thousand, two hundred forty-one".