51234443215 has 8 divisors (see below), whose sum is σ = 62090058528. Its totient is φ = 40581736800.

The previous prime is 51234443213. The next prime is 51234443219.

51234443215 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 51234443215 - 2¹ = 51234443213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234443213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50726667 + ... + 50727676.

It is an arithmetic number, because the mean of its divisors is an integer number (7761257316).

Almost surely, 2^51234443215 is an apocalyptic number.

51234443215 is a deficient number, since it is larger than the sum of its proper divisors (10855615313).

51234443215 is a wasteful number, since it uses less digits than its factorization.

51234443215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101454449.

The product of its digits is 57600, while the sum is 34.

The spelling of 51234443215 in words is "fifty-one billion, two hundred thirty-four million, four hundred forty-three thousand, two hundred fifteen".