15871428601573 has 2 divisors, whose sum is σ = 15871428601574. Its totient is φ = 15871428601572.

The previous prime is 15871428601463. The next prime is 15871428601603. The reversal of 15871428601573 is 37510682417851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15860521305729 + 10907295844 = 3982527^2 + 104438^2 .

It is a cyclic number.

It is not a de Polignac number, because 15871428601573 - 2⁴¹ = 13672405346021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15871428661573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7935714300786 + 7935714300787.

It is an arithmetic number, because the mean of its divisors is an integer number (7935714300787).

Almost surely, 2^{15871428601573} is an apocalyptic number.

It is an amenable number.

15871428601573 is a deficient number, since it is larger than the sum of its proper divisors (1).

15871428601573 is an equidigital number, since it uses as much as digits as its factorization.

15871428601573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 58.

The spelling of 15871428601573 in words is "fifteen trillion, eight hundred seventy-one billion, four hundred twenty-eight million, six hundred one thousand, five hundred seventy-three".