15025543139 has 2 divisors, whose sum is σ = 15025543140. Its totient is φ = 15025543138.

The previous prime is 15025543067. The next prime is 15025543153. The reversal of 15025543139 is 93134552051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15025543139 - 2¹² = 15025539043 is a prime.

It is not a weakly prime, because it can be changed into another prime (15025543189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7512771569 + 7512771570.

It is an arithmetic number, because the mean of its divisors is an integer number (7512771570).

Almost surely, 2^15025543139 is an apocalyptic number.

15025543139 is a deficient number, since it is larger than the sum of its proper divisors (1).

15025543139 is an equidigital number, since it uses as much as digits as its factorization.

15025543139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 15025543139 in words is "fifteen billion, twenty-five million, five hundred forty-three thousand, one hundred thirty-nine".