51224242215 has 16 divisors (see below), whose sum is σ = 82770263136. Its totient is φ = 27049104000.

The previous prime is 51224242211. The next prime is 51224242247.

51224242215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51224242215 - 2² = 51224242211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51224242211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16904176 + ... + 16907205.

It is an arithmetic number, because the mean of its divisors is an integer number (5173141446).

Almost surely, 2^51224242215 is an apocalyptic number.

51224242215 is a deficient number, since it is larger than the sum of its proper divisors (31546020921).

51224242215 is a wasteful number, since it uses less digits than its factorization.

51224242215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33811490.

The product of its digits is 12800, while the sum is 30.

The spelling of 51224242215 in words is "fifty-one billion, two hundred twenty-four million, two hundred forty-two thousand, two hundred fifteen".