16523057011 has 8 divisors (see below), whose sum is σ = 16679234000. Its totient is φ = 16366963680.

The previous prime is 16523056981. The next prime is 16523057017. The reversal of 16523057011 is 11075032561.

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

It is a cyclic number.

It is not a de Polignac number, because 16523057011 - 2⁷ = 16523056883 is a prime.

It is a super-2 number, since 2×16523057011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16523057017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419440 + ... + 457138.

It is an arithmetic number, because the mean of its divisors is an integer number (2084904250).

Almost surely, 2^16523057011 is an apocalyptic number.

16523057011 is a deficient number, since it is larger than the sum of its proper divisors (156176989).

16523057011 is a wasteful number, since it uses less digits than its factorization.

16523057011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41829.

The product of its (nonzero) digits is 6300, while the sum is 31.

Adding to 16523057011 its reverse (11075032561), we get a palindrome (27598089572).

The spelling of 16523057011 in words is "sixteen billion, five hundred twenty-three million, fifty-seven thousand, eleven".