5125123231051 has 4 divisors (see below), whose sum is σ = 5133245455504. Its totient is φ = 5117001006600.

The previous prime is 5125123231049. The next prime is 5125123231073. The reversal of 5125123231051 is 1501323215215.

It is a happy number.

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 5125123231051 - 2¹ = 5125123231049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125123232051) 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, 4061111280 + ... + 4061112541.

It is an arithmetic number, because the mean of its divisors is an integer number (1283311363876).

Almost surely, 2^{5125123231051} is an apocalyptic number.

5125123231051 is a deficient number, since it is larger than the sum of its proper divisors (8122224453).

5125123231051 is an equidigital number, since it uses as much as digits as its factorization.

5125123231051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122224452.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 5125123231051 its reverse (1501323215215), we get a palindrome (6626446446266).

The spelling of 5125123231051 in words is "five trillion, one hundred twenty-five billion, one hundred twenty-three million, two hundred thirty-one thousand, fifty-one".