12501539107 has 2 divisors, whose sum is σ = 12501539108. Its totient is φ = 12501539106.

The previous prime is 12501539093. The next prime is 12501539147. The reversal of 12501539107 is 70193510521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12501539107 - 2¹⁹ = 12501014819 is a prime.

It is not a weakly prime, because it can be changed into another prime (12501539147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250769553 + 6250769554.

It is an arithmetic number, because the mean of its divisors is an integer number (6250769554).

Almost surely, 2^12501539107 is an apocalyptic number.

12501539107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501539107 is an equidigital number, since it uses as much as digits as its factorization.

12501539107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The spelling of 12501539107 in words is "twelve billion, five hundred one million, five hundred thirty-nine thousand, one hundred seven".