15738521053 has 2 divisors, whose sum is σ = 15738521054. Its totient is φ = 15738521052.

The previous prime is 15738521027. The next prime is 15738521083. The reversal of 15738521053 is 35012583751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14773673209 + 964847844 = 121547^2 + 31062^2 .

It is an emirp because it is prime and its reverse (35012583751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15738521053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15738520997 and 15738521015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15738521083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7869260526 + 7869260527.

It is an arithmetic number, because the mean of its divisors is an integer number (7869260527).

Almost surely, 2^15738521053 is an apocalyptic number.

It is an amenable number.

15738521053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15738521053 is an equidigital number, since it uses as much as digits as its factorization.

15738521053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 15738521053 in words is "fifteen billion, seven hundred thirty-eight million, five hundred twenty-one thousand, fifty-three".