16531335083525 has 24 divisors (see below), whose sum is σ = 20671323301824. Its totient is φ = 13114239206400.

The previous prime is 16531335083503. The next prime is 16531335083537. The reversal of 16531335083525 is 52538053313561.

It is not a de Polignac number, because 16531335083525 - 2¹² = 16531335079429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4007759 + ... + 7008908.

It is an arithmetic number, because the mean of its divisors is an integer number (861305137576).

Almost surely, 2^{16531335083525} is an apocalyptic number.

It is an amenable number.

16531335083525 is a deficient number, since it is larger than the sum of its proper divisors (4139988218299).

16531335083525 is a wasteful number, since it uses less digits than its factorization.

16531335083525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017181 (or 11017176 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 16531335083525 in words is "sixteen trillion, five hundred thirty-one billion, three hundred thirty-five million, eighty-three thousand, five hundred twenty-five".