5124234045521 has 4 divisors (see below), whose sum is σ = 5124249916272. Its totient is φ = 5124218174772.

The previous prime is 5124234045481. The next prime is 5124234045523. The reversal of 5124234045521 is 1255404324215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5124234045521 - 2²⁶ = 5124166936657 is a prime.

It is a super-2 number, since 2×5124234045521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5124234045523) 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, 7440791 + ... + 8100236.

It is an arithmetic number, because the mean of its divisors is an integer number (1281062479068).

Almost surely, 2^{5124234045521} is an apocalyptic number.

It is an amenable number.

5124234045521 is a deficient number, since it is larger than the sum of its proper divisors (15870751).

5124234045521 is a wasteful number, since it uses less digits than its factorization.

5124234045521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15870750.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 5124234045521 its reverse (1255404324215), we get a palindrome (6379638369736).

The spelling of 5124234045521 in words is "five trillion, one hundred twenty-four billion, two hundred thirty-four million, forty-five thousand, five hundred twenty-one".