16523051105 has 8 divisors (see below), whose sum is σ = 21630176064. Its totient is φ = 12016764400.

The previous prime is 16523051071. The next prime is 16523051123. The reversal of 16523051105 is 50115032561.

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

It is not a de Polignac number, because 16523051105 - 2⁸ = 16523050849 is a prime.

It is a super-2 number, since 2×16523051105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150209501 + ... + 150209610.

It is an arithmetic number, because the mean of its divisors is an integer number (2703772008).

Almost surely, 2^16523051105 is an apocalyptic number.

It is an amenable number.

16523051105 is a deficient number, since it is larger than the sum of its proper divisors (5107124959).

16523051105 is a wasteful number, since it uses less digits than its factorization.

16523051105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300419127.

The product of its (nonzero) digits is 4500, while the sum is 29.

Adding to 16523051105 its reverse (50115032561), we get a palindrome (66638083666).

The spelling of 16523051105 in words is "sixteen billion, five hundred twenty-three million, fifty-one thousand, one hundred five".