15725384201 has 2 divisors, whose sum is σ = 15725384202. Its totient is φ = 15725384200.

The previous prime is 15725384179. The next prime is 15725384261. The reversal of 15725384201 is 10248352751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10297378576 + 5428005625 = 101476^2 + 73675^2 .

It is a cyclic number.

It is not a de Polignac number, because 15725384201 - 2⁶ = 15725384137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15725384261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7862692100 + 7862692101.

It is an arithmetic number, because the mean of its divisors is an integer number (7862692101).

Almost surely, 2^15725384201 is an apocalyptic number.

It is an amenable number.

15725384201 is a deficient number, since it is larger than the sum of its proper divisors (1).

15725384201 is an equidigital number, since it uses as much as digits as its factorization.

15725384201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 15725384201 in words is "fifteen billion, seven hundred twenty-five million, three hundred eighty-four thousand, two hundred one".