5243511515 has 16 divisors (see below), whose sum is σ = 6867421920. Its totient is φ = 3811691520.

The previous prime is 5243511509. The next prime is 5243511517. The reversal of 5243511515 is 5151153425.

It is not a de Polignac number, because 5243511515 - 2²⁴ = 5226734299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5243511517) 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, 103787 + ... + 145803.

It is an arithmetic number, because the mean of its divisors is an integer number (429213870).

Almost surely, 2^5243511515 is an apocalyptic number.

5243511515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5243511515 is a deficient number, since it is larger than the sum of its proper divisors (1623910405).

5243511515 is a wasteful number, since it uses less digits than its factorization.

5243511515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44302.

The product of its digits is 15000, while the sum is 32.

The square root of 5243511515 is about 72412.0950877683. The cubic root of 5243511515 is about 1737.2970226115.

The spelling of 5243511515 in words is "five billion, two hundred forty-three million, five hundred eleven thousand, five hundred fifteen".