15225125205139 has 2 divisors, whose sum is σ = 15225125205140. Its totient is φ = 15225125205138.

The previous prime is 15225125205131. The next prime is 15225125205149. The reversal of 15225125205139 is 93150252152251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15225125205139 - 2³ = 15225125205131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15225125205095 and 15225125205104.

It is not a weakly prime, because it can be changed into another prime (15225125205131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7612562602569 + 7612562602570.

It is an arithmetic number, because the mean of its divisors is an integer number (7612562602570).

Almost surely, 2^{15225125205139} is an apocalyptic number.

15225125205139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15225125205139 is an equidigital number, since it uses as much as digits as its factorization.

15225125205139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 15225125205139 in words is "fifteen trillion, two hundred twenty-five billion, one hundred twenty-five million, two hundred five thousand, one hundred thirty-nine".