5212111825651 has 8 divisors (see below), whose sum is σ = 5471292605184. Its totient is φ = 4955644981320.

The previous prime is 5212111825643. The next prime is 5212111825721. The reversal of 5212111825651 is 1565281112125.

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 5212111825651 - 2³ = 5212111825643 is a prime.

It is a super-2 number, since 2×5212111825651² (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 (5212111825631) 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, 678479865 + ... + 678487546.

It is an arithmetic number, because the mean of its divisors is an integer number (683911575648).

Almost surely, 2^{5212111825651} is an apocalyptic number.

5212111825651 is a deficient number, since it is larger than the sum of its proper divisors (259180779533).

5212111825651 is a wasteful number, since it uses less digits than its factorization.

5212111825651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356967601.

The product of its digits is 48000, while the sum is 40.

Adding to 5212111825651 its reverse (1565281112125), we get a palindrome (6777392937776).

The spelling of 5212111825651 in words is "five trillion, two hundred twelve billion, one hundred eleven million, eight hundred twenty-five thousand, six hundred fifty-one".