51242424215 has 16 divisors (see below), whose sum is σ = 63555867648. Its totient is φ = 39638318496.

The previous prime is 51242424209. The next prime is 51242424221.

51242424215 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51242424209) and next prime (51242424221).

It is a cyclic number.

It is not a de Polignac number, because 51242424215 - 2⁸ = 51242423959 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 15 ways as a sum of consecutive naturals, for example, 1294067 + ... + 1333076.

It is an arithmetic number, because the mean of its divisors is an integer number (3972241728).

Almost surely, 2^51242424215 is an apocalyptic number.

51242424215 is a deficient number, since it is larger than the sum of its proper divisors (12313443433).

51242424215 is a wasteful number, since it uses less digits than its factorization.

51242424215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627278.

The product of its digits is 25600, while the sum is 32.

The spelling of 51242424215 in words is "fifty-one billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred fifteen".