5124111145 has 4 divisors (see below), whose sum is σ = 6148933380. Its totient is φ = 4099288912.

The previous prime is 5124111131. The next prime is 5124111149. The reversal of 5124111145 is 5411114215.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 563540121 + 4560571024 = 23739^2 + 67532^2 .

It is a cyclic number.

It is not a de Polignac number, because 5124111145 - 2⁷ = 5124111017 is a prime.

It is a super-2 number, since 2×5124111145² = 52513030052626422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5124111149) 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, 512411110 + ... + 512411119.

It is an arithmetic number, because the mean of its divisors is an integer number (1537233345).

Almost surely, 2^5124111145 is an apocalyptic number.

It is an amenable number.

5124111145 is a deficient number, since it is larger than the sum of its proper divisors (1024822235).

5124111145 is a wasteful number, since it uses less digits than its factorization.

5124111145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024822234.

The product of its digits is 800, while the sum is 25.

The square root of 5124111145 is about 71582.8970145802. The cubic root of 5124111145 is about 1724.0089407656.

The spelling of 5124111145 in words is "five billion, one hundred twenty-four million, one hundred eleven thousand, one hundred forty-five".