15530125241 has 2 divisors, whose sum is σ = 15530125242. Its totient is φ = 15530125240.

The previous prime is 15530125223. The next prime is 15530125301. The reversal of 15530125241 is 14252103551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10906669225 + 4623456016 = 104435^2 + 67996^2 .

It is a cyclic number.

It is not a de Polignac number, because 15530125241 - 2²⁶ = 15463016377 is a prime.

It is a super-2 number, since 2×15530125241² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15530121241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765062620 + 7765062621.

It is an arithmetic number, because the mean of its divisors is an integer number (7765062621).

Almost surely, 2^15530125241 is an apocalyptic number.

It is an amenable number.

15530125241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530125241 is an equidigital number, since it uses as much as digits as its factorization.

15530125241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 15530125241 its reverse (14252103551), we get a palindrome (29782228792).

The spelling of 15530125241 in words is "fifteen billion, five hundred thirty million, one hundred twenty-five thousand, two hundred forty-one".