15523260241 has 2 divisors, whose sum is σ = 15523260242. Its totient is φ = 15523260240.

The previous prime is 15523260229. The next prime is 15523260271. The reversal of 15523260241 is 14206232551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15475360000 + 47900241 = 124400^2 + 6921^2 .

It is a cyclic number.

It is not a de Polignac number, because 15523260241 - 2¹¹ = 15523258193 is a prime.

It is a super-2 number, since 2×15523260241² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15523260271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7761630120 + 7761630121.

It is an arithmetic number, because the mean of its divisors is an integer number (7761630121).

Almost surely, 2^15523260241 is an apocalyptic number.

It is an amenable number.

15523260241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15523260241 is an equidigital number, since it uses as much as digits as its factorization.

15523260241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 15523260241 its reverse (14206232551), we get a palindrome (29729492792).

The spelling of 15523260241 in words is "fifteen billion, five hundred twenty-three million, two hundred sixty thousand, two hundred forty-one".