15288496261 has 2 divisors, whose sum is σ = 15288496262. Its totient is φ = 15288496260.

The previous prime is 15288496241. The next prime is 15288496277. The reversal of 15288496261 is 16269488251.

15288496261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15185879361 + 102616900 = 123231^2 + 10130^2 .

It is a cyclic number.

It is not a de Polignac number, because 15288496261 - 2⁷ = 15288496133 is a prime.

It is a super-2 number, since 2×15288496261² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15288496199 and 15288496208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15288496241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7644248130 + 7644248131.

It is an arithmetic number, because the mean of its divisors is an integer number (7644248131).

Almost surely, 2^15288496261 is an apocalyptic number.

It is an amenable number.

15288496261 is a deficient number, since it is larger than the sum of its proper divisors (1).

15288496261 is an equidigital number, since it uses as much as digits as its factorization.

15288496261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The spelling of 15288496261 in words is "fifteen billion, two hundred eighty-eight million, four hundred ninety-six thousand, two hundred sixty-one".