5312515511 has 4 divisors (see below), whose sum is σ = 5320778232. Its totient is φ = 5304252792.

The previous prime is 5312515493. The next prime is 5312515519. The reversal of 5312515511 is 1155152135.

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 5312515511 - 2¹⁸ = 5312253367 is a prime.

It is a super-2 number, since 2×5312515511² = 56445642109231182242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312515519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130396 + ... + 4131681.

It is an arithmetic number, because the mean of its divisors is an integer number (1330194558).

Almost surely, 2^5312515511 is an apocalyptic number.

5312515511 is a deficient number, since it is larger than the sum of its proper divisors (8262721).

5312515511 is an equidigital number, since it uses as much as digits as its factorization.

5312515511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262720.

The product of its digits is 3750, while the sum is 29.

The square root of 5312515511 is about 72887.0050900708. The cubic root of 5312515511 is about 1744.8847099141.

Adding to 5312515511 its reverse (1155152135), we get a palindrome (6467667646).

The spelling of 5312515511 in words is "five billion, three hundred twelve million, five hundred fifteen thousand, five hundred eleven".