15425056139 has 2 divisors, whose sum is σ = 15425056140. Its totient is φ = 15425056138.

The previous prime is 15425056091. The next prime is 15425056189. The reversal of 15425056139 is 93165052451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15425056139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15425056096 and 15425056105.

It is not a weakly prime, because it can be changed into another prime (15425056189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712528069 + 7712528070.

It is an arithmetic number, because the mean of its divisors is an integer number (7712528070).

Almost surely, 2^15425056139 is an apocalyptic number.

15425056139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15425056139 is an equidigital number, since it uses as much as digits as its factorization.

15425056139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 15425056139 in words is "fifteen billion, four hundred twenty-five million, fifty-six thousand, one hundred thirty-nine".