5831105721 has 32 divisors (see below), whose sum is σ = 8929489920. Its totient is φ = 3315612096.

The previous prime is 5831105699. The next prime is 5831105729. The reversal of 5831105721 is 1275011385.

It is not a de Polignac number, because 5831105721 - 2²² = 5826911417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5831105729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6428550 + ... + 6429456.

It is an arithmetic number, because the mean of its divisors is an integer number (279046560).

Almost surely, 2^5831105721 is an apocalyptic number.

It is an amenable number.

5831105721 is a deficient number, since it is larger than the sum of its proper divisors (3098384199).

5831105721 is a wasteful number, since it uses less digits than its factorization.

5831105721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 5831105721 is about 76361.6770441823. The cubic root of 5831105721 is about 1799.9079912846.

The spelling of 5831105721 in words is "five billion, eight hundred thirty-one million, one hundred five thousand, seven hundred twenty-one".