1587143001061 has 2 divisors, whose sum is σ = 1587143001062. Its totient is φ = 1587143001060.

The previous prime is 1587143001053. The next prime is 1587143001077. The reversal of 1587143001061 is 1601003417851.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1538855136036 + 48287865025 = 1240506^2 + 219745^2 .

It is an emirp because it is prime and its reverse (1601003417851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1587143001061 - 2³ = 1587143001053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1587143001061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1587143001361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793571500530 + 793571500531.

It is an arithmetic number, because the mean of its divisors is an integer number (793571500531).

Almost surely, 2^{1587143001061} is an apocalyptic number.

It is an amenable number.

1587143001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1587143001061 is an equidigital number, since it uses as much as digits as its factorization.

1587143001061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 1587143001061 in words is "one trillion, five hundred eighty-seven billion, one hundred forty-three million, one thousand, sixty-one".