5071561611 has 8 divisors (see below), whose sum is σ = 6763036560. Its totient is φ = 3380563872.

The previous prime is 5071561501. The next prime is 5071561619. The reversal of 5071561611 is 1161651705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5071561611 - 2¹⁰ = 5071560587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5071561619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93720 + ... + 137573.

It is an arithmetic number, because the mean of its divisors is an integer number (845379570).

Almost surely, 2^5071561611 is an apocalyptic number.

5071561611 is a deficient number, since it is larger than the sum of its proper divisors (1691474949).

5071561611 is a wasteful number, since it uses less digits than its factorization.

5071561611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238605.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 5071561611 is about 71214.8973951378. The cubic root of 5071561611 is about 1718.0952425760.

The spelling of 5071561611 in words is "five billion, seventy-one million, five hundred sixty-one thousand, six hundred eleven".