16315032525 has 96 divisors (see below), whose sum is σ = 30737318400. Its totient is φ = 7565241600.

The previous prime is 16315032511. The next prime is 16315032529. The reversal of 16315032525 is 52523051361.

It is a happy number.

It is not a de Polignac number, because 16315032525 - 2⁸ = 16315032269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16315032529) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1796446 + ... + 1805504.

It is an arithmetic number, because the mean of its divisors is an integer number (320180400).

Almost surely, 2^16315032525 is an apocalyptic number.

16315032525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16315032525 is a deficient number, since it is larger than the sum of its proper divisors (14422285875).

16315032525 is a wasteful number, since it uses less digits than its factorization.

16315032525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9179 (or 9174 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 16315032525 its reverse (52523051361), we get a palindrome (68838083886).

The spelling of 16315032525 in words is "sixteen billion, three hundred fifteen million, thirty-two thousand, five hundred twenty-five".