51232223215 has 8 divisors (see below), whose sum is σ = 61484166288. Its totient is φ = 40982112960.

The previous prime is 51232223209. The next prime is 51232223267.

51232223215 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 51232223215 - 2¹⁵ = 51232190447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395937 + ... + 509146.

It is an arithmetic number, because the mean of its divisors is an integer number (7685520786).

Almost surely, 2^51232223215 is an apocalyptic number.

51232223215 is a deficient number, since it is larger than the sum of its proper divisors (10251943073).

51232223215 is a wasteful number, since it uses less digits than its factorization.

51232223215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916409.

The product of its digits is 7200, while the sum is 28.

The spelling of 51232223215 in words is "fifty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, two hundred fifteen".