16525001305 has 8 divisors (see below), whose sum is σ = 19834873344. Its totient is φ = 13216753200.

The previous prime is 16525001303. The next prime is 16525001359. The reversal of 16525001305 is 50310052561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16525001305 - 2¹ = 16525001303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16525001303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383481 + ... + 424390.

It is an arithmetic number, because the mean of its divisors is an integer number (2479359168).

Almost surely, 2^16525001305 is an apocalyptic number.

It is an amenable number.

16525001305 is a deficient number, since it is larger than the sum of its proper divisors (3309872039).

16525001305 is an equidigital number, since it uses as much as digits as its factorization.

16525001305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811967.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 16525001305 its reverse (50310052561), we get a palindrome (66835053866).

The spelling of 16525001305 in words is "sixteen billion, five hundred twenty-five million, one thousand, three hundred five".