15122425247 has 2 divisors, whose sum is σ = 15122425248. Its totient is φ = 15122425246.

The previous prime is 15122425243. The next prime is 15122425249. The reversal of 15122425247 is 74252422151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15122425247 - 2² = 15122425243 is a prime.

It is a super-2 number, since 2×15122425247² (a number of 21 digits) contains 22 as substring.

Together with 15122425249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15122425243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7561212623 + 7561212624.

It is an arithmetic number, because the mean of its divisors is an integer number (7561212624).

Almost surely, 2^15122425247 is an apocalyptic number.

15122425247 is a deficient number, since it is larger than the sum of its proper divisors (1).

15122425247 is an equidigital number, since it uses as much as digits as its factorization.

15122425247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 35.

Adding to 15122425247 its reverse (74252422151), we get a palindrome (89374847398).

The spelling of 15122425247 in words is "fifteen billion, one hundred twenty-two million, four hundred twenty-five thousand, two hundred forty-seven".