15255263239 has 2 divisors, whose sum is σ = 15255263240. Its totient is φ = 15255263238.

The previous prime is 15255263159. The next prime is 15255263249. The reversal of 15255263239 is 93236255251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15255263239 - 2⁹ = 15255262727 is a prime.

It is a super-2 number, since 2×15255263239² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15255263195 and 15255263204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15255263249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627631619 + 7627631620.

It is an arithmetic number, because the mean of its divisors is an integer number (7627631620).

Almost surely, 2^15255263239 is an apocalyptic number.

15255263239 is a deficient number, since it is larger than the sum of its proper divisors (1).

15255263239 is an equidigital number, since it uses as much as digits as its factorization.

15255263239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 43.

The spelling of 15255263239 in words is "fifteen billion, two hundred fifty-five million, two hundred sixty-three thousand, two hundred thirty-nine".