12501881375709 has 32 divisors (see below), whose sum is σ = 18334603929600. Its totient is φ = 7514491743360.

The previous prime is 12501881375681. The next prime is 12501881375729. The reversal of 12501881375709 is 90757318810521.

It is not a de Polignac number, because 12501881375709 - 2⁸ = 12501881375453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501881375729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2941452 + ... + 5801370.

It is an arithmetic number, because the mean of its divisors is an integer number (572956372800).

Almost surely, 2^{12501881375709} is an apocalyptic number.

It is an amenable number.

12501881375709 is a deficient number, since it is larger than the sum of its proper divisors (5832722553891).

12501881375709 is a wasteful number, since it uses less digits than its factorization.

12501881375709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861025.

The product of its (nonzero) digits is 4233600, while the sum is 57.

The spelling of 12501881375709 in words is "twelve trillion, five hundred one billion, eight hundred eighty-one million, three hundred seventy-five thousand, seven hundred nine".