5125552123 has 4 divisors (see below), whose sum is σ = 5135622480. Its totient is φ = 5115481768.

The previous prime is 5125552111. The next prime is 5125552151. The reversal of 5125552123 is 3212555215.

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 5125552123 - 2¹³ = 5125543931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125552823) 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, 5034415 + ... + 5035432.

It is an arithmetic number, because the mean of its divisors is an integer number (1283905620).

Almost surely, 2^5125552123 is an apocalyptic number.

5125552123 is a deficient number, since it is larger than the sum of its proper divisors (10070357).

5125552123 is a wasteful number, since it uses less digits than its factorization.

5125552123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070356.

The product of its digits is 15000, while the sum is 31.

The square root of 5125552123 is about 71592.9614068310. The cubic root of 5125552123 is about 1724.1705314656.

It can be divided in two parts, 512555212 and 3, that added together give a palindrome (512555215).

The spelling of 5125552123 in words is "five billion, one hundred twenty-five million, five hundred fifty-two thousand, one hundred twenty-three".