15325101000421 has 2 divisors, whose sum is σ = 15325101000422. Its totient is φ = 15325101000420.

The previous prime is 15325101000383. The next prime is 15325101000449. The reversal of 15325101000421 is 12400010152351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10467903751396 + 4857197249025 = 3235414^2 + 2203905^2 .

It is a cyclic number.

It is not a de Polignac number, because 15325101000421 - 2²¹ = 15325098903269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15325101006421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7662550500210 + 7662550500211.

It is an arithmetic number, because the mean of its divisors is an integer number (7662550500211).

Almost surely, 2^{15325101000421} is an apocalyptic number.

It is an amenable number.

15325101000421 is a deficient number, since it is larger than the sum of its proper divisors (1).

15325101000421 is an equidigital number, since it uses as much as digits as its factorization.

15325101000421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 15325101000421 its reverse (12400010152351), we get a palindrome (27725111152772).

The spelling of 15325101000421 in words is "fifteen trillion, three hundred twenty-five billion, one hundred one million, four hundred twenty-one", and thus it is an aban number.