16725444511 has 16 divisors (see below), whose sum is σ = 17554114368. Its totient is φ = 15921561600.

The previous prime is 16725444493. The next prime is 16725444557. The reversal of 16725444511 is 11544452761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16725444511 - 2¹¹ = 16725442463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16725441511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252751 + ... + 311983.

It is an arithmetic number, because the mean of its divisors is an integer number (1097132148).

Almost surely, 2^16725444511 is an apocalyptic number.

16725444511 is a deficient number, since it is larger than the sum of its proper divisors (828669857).

16725444511 is an equidigital number, since it uses as much as digits as its factorization.

16725444511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59442.

The product of its digits is 134400, while the sum is 40.

It can be divided in two parts, 16 and 725444511, that added together give a palindrome (725444527).

The spelling of 16725444511 in words is "sixteen billion, seven hundred twenty-five million, four hundred forty-four thousand, five hundred eleven".