15122425243 has 2 divisors, whose sum is σ = 15122425244. Its totient is φ = 15122425242.

The previous prime is 15122425229. The next prime is 15122425247. The reversal of 15122425243 is 34252422151.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15122425243 - 2⁵ = 15122425211 is a prime.

It is not a weakly prime, because it can be changed into another prime (15122425247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7561212621 + 7561212622.

It is an arithmetic number, because the mean of its divisors is an integer number (7561212622).

Almost surely, 2^15122425243 is an apocalyptic number.

15122425243 is a deficient number, since it is larger than the sum of its proper divisors (1).

15122425243 is an equidigital number, since it uses as much as digits as its factorization.

15122425243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

Adding to 15122425243 its reverse (34252422151), we get a palindrome (49374847394).

The spelling of 15122425243 in words is "fifteen billion, one hundred twenty-two million, four hundred twenty-five thousand, two hundred forty-three".