16004055525 has 12 divisors (see below), whose sum is σ = 26460038592. Its totient is φ = 8535496240.

The previous prime is 16004055503. The next prime is 16004055593. The reversal of 16004055525 is 52555040061.

It is not a de Polignac number, because 16004055525 - 2²⁶ = 15936946661 is a prime.

It is a super-2 number, since 2×16004055525² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 106693629 + ... + 106693778.

It is an arithmetic number, because the mean of its divisors is an integer number (2205003216).

Almost surely, 2^16004055525 is an apocalyptic number.

16004055525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16004055525 is a deficient number, since it is larger than the sum of its proper divisors (10455983067).

16004055525 is a wasteful number, since it uses less digits than its factorization.

16004055525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213387420 (or 213387415 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 16004055525 its reverse (52555040061), we get a palindrome (68559095586).

The spelling of 16004055525 in words is "sixteen billion, four million, fifty-five thousand, five hundred twenty-five".