16319125329125 has 16 divisors (see below), whose sum is σ = 21068553533040. Its totient is φ = 12605117492800.

The previous prime is 16319125329047. The next prime is 16319125329127. The reversal of 16319125329125 is 52192352191361.

It can be written as a sum of positive squares in 8 ways, for example, as 915525562561 + 15403599766564 = 956831^2 + 3924742^2 .

It is not a de Polignac number, because 16319125329125 - 2²⁶ = 16319058220261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16319125329127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2250910214 + ... + 2250917463.

It is an arithmetic number, because the mean of its divisors is an integer number (1316784595815).

Almost surely, 2^{16319125329125} is an apocalyptic number.

It is an amenable number.

16319125329125 is a deficient number, since it is larger than the sum of its proper divisors (4749428203915).

16319125329125 is an equidigital number, since it uses as much as digits as its factorization.

16319125329125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501827721 (or 4501827711 counting only the distinct ones).

The product of its digits is 874800, while the sum is 50.

The spelling of 16319125329125 in words is "sixteen trillion, three hundred nineteen billion, one hundred twenty-five million, three hundred twenty-nine thousand, one hundred twenty-five".