16725042101 has 2 divisors, whose sum is σ = 16725042102. Its totient is φ = 16725042100.

The previous prime is 16725042079. The next prime is 16725042143. The reversal of 16725042101 is 10124052761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15813062500 + 911979601 = 125750^2 + 30199^2 .

It is a cyclic number.

It is not a de Polignac number, because 16725042101 - 2¹⁸ = 16724779957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16725042601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362521050 + 8362521051.

It is an arithmetic number, because the mean of its divisors is an integer number (8362521051).

Almost surely, 2^16725042101 is an apocalyptic number.

It is an amenable number.

16725042101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16725042101 is an equidigital number, since it uses as much as digits as its factorization.

16725042101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 16725042101 its reverse (10124052761), we get a palindrome (26849094862).

The spelling of 16725042101 in words is "sixteen billion, seven hundred twenty-five million, forty-two thousand, one hundred one".