5314511721 has 16 divisors (see below), whose sum is σ = 7410614400. Its totient is φ = 3381396480.

The previous prime is 5314511707. The next prime is 5314511737. The reversal of 5314511721 is 1271154135.

It is not a de Polignac number, because 5314511721 - 2¹⁰ = 5314510697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5314518721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54790 + ... + 116751.

It is an arithmetic number, because the mean of its divisors is an integer number (463163400).

Almost surely, 2^5314511721 is an apocalyptic number.

It is an amenable number.

5314511721 is a deficient number, since it is larger than the sum of its proper divisors (2096102679).

5314511721 is a wasteful number, since it uses less digits than its factorization.

5314511721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172016.

The product of its digits is 4200, while the sum is 30.

The square root of 5314511721 is about 72900.6976715587. The cubic root of 5314511721 is about 1745.1032328918.

Adding to 5314511721 its reverse (1271154135), we get a palindrome (6585665856).

The spelling of 5314511721 in words is "five billion, three hundred fourteen million, five hundred eleven thousand, seven hundred twenty-one".