5111321511 has 8 divisors (see below), whose sum is σ = 6816814704. Its totient is φ = 3406688000.

The previous prime is 5111321491. The next prime is 5111321557. The reversal of 5111321511 is 1151231115.

5111321511 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5111321511 - 2¹⁴ = 5111305127 is a prime.

It is a super-2 number, since 2×5111321511² = 52251215177622646242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5111321911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200916 + ... + 224921.

It is an arithmetic number, because the mean of its divisors is an integer number (852101838).

Almost surely, 2^5111321511 is an apocalyptic number.

5111321511 is a deficient number, since it is larger than the sum of its proper divisors (1705493193).

5111321511 is a wasteful number, since it uses less digits than its factorization.

5111321511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429841.

The product of its digits is 150, while the sum is 21.

The square root of 5111321511 is about 71493.5067750911. The cubic root of 5111321511 is about 1722.5733868294.

Adding to 5111321511 its reverse (1151231115), we get a palindrome (6262552626).

The spelling of 5111321511 in words is "five billion, one hundred eleven million, three hundred twenty-one thousand, five hundred eleven".