5871521129 has 4 divisors (see below), whose sum is σ = 6008068176. Its totient is φ = 5734974084.

The previous prime is 5871521063. The next prime is 5871521147. The reversal of 5871521129 is 9211251785.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5871521129 - 2²⁴ = 5854743913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5871521329) 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 in 3 ways as a sum of consecutive naturals, for example, 68273459 + ... + 68273544.

It is an arithmetic number, because the mean of its divisors is an integer number (1502017044).

Almost surely, 2^5871521129 is an apocalyptic number.

It is an amenable number.

5871521129 is a deficient number, since it is larger than the sum of its proper divisors (136547047).

5871521129 is a wasteful number, since it uses less digits than its factorization.

5871521129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136547046.

The product of its digits is 50400, while the sum is 41.

The square root of 5871521129 is about 76625.8515711245. The cubic root of 5871521129 is about 1804.0568097352.

The spelling of 5871521129 in words is "five billion, eight hundred seventy-one million, five hundred twenty-one thousand, one hundred twenty-nine".