5571161000 has 128 divisors (see below), whose sum is σ = 14197248000. Its totient is φ = 2038176000.

The previous prime is 5571160979. The next prime is 5571161009. The reversal of 5571161000 is 1611755.

It is not an unprimeable number, because it can be changed into a prime (5571161009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 545945 + ... + 556055.

It is an arithmetic number, because the mean of its divisors is an integer number (110916000).

Almost surely, 2^5571161000 is an apocalyptic number.

5571161000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5571161000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7098624000).

5571161000 is an abundant number, since it is smaller than the sum of its proper divisors (8626087000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5571161000 is a wasteful number, since it uses less digits than its factorization.

5571161000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180 (or 10166 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 5571161000 is about 74640.2103426833. The cubic root of 5571161000 is about 1772.7543909146.

Adding to 5571161000 its reverse (1611755), we get a palindrome (5572772755).

The spelling of 5571161000 in words is "five billion, five hundred seventy-one million, one hundred sixty-one thousand".