5125123231231 has 8 divisors (see below), whose sum is σ = 5177872339200. Its totient is φ = 5072580578520.

The previous prime is 5125123231211. The next prime is 5125123231243. The reversal of 5125123231231 is 1321323215215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5125123231231 - 2³³ = 5116533296639 is a prime.

It is a super-2 number, since 2×5125123231231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5125123231193 and 5125123231202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125123231201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51563911 + ... + 51663208.

It is an arithmetic number, because the mean of its divisors is an integer number (647234042400).

Almost surely, 2^{5125123231231} is an apocalyptic number.

5125123231231 is a deficient number, since it is larger than the sum of its proper divisors (52749107969).

5125123231231 is a wasteful number, since it uses less digits than its factorization.

5125123231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103227629.

The product of its digits is 10800, while the sum is 31.

Adding to 5125123231231 its reverse (1321323215215), we get a palindrome (6446446446446).

The spelling of 5125123231231 in words is "five trillion, one hundred twenty-five billion, one hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-one".