5121545311 has 4 divisors (see below), whose sum is σ = 5193679824. Its totient is φ = 5049410800.

The previous prime is 5121545287. The next prime is 5121545329. The reversal of 5121545311 is 1135451215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5121545311 - 2⁷ = 5121545183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5121545311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121545711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36067150 + ... + 36067291.

It is an arithmetic number, because the mean of its divisors is an integer number (1298419956).

Almost surely, 2^5121545311 is an apocalyptic number.

5121545311 is a deficient number, since it is larger than the sum of its proper divisors (72134513).

5121545311 is an equidigital number, since it uses as much as digits as its factorization.

5121545311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72134512.

The product of its digits is 3000, while the sum is 28.

The square root of 5121545311 is about 71564.9726542252. The cubic root of 5121545311 is about 1723.7211341472.

Adding to 5121545311 its reverse (1135451215), we get a palindrome (6256996526).

The spelling of 5121545311 in words is "five billion, one hundred twenty-one million, five hundred forty-five thousand, three hundred eleven".