51242024215 has 16 divisors (see below), whose sum is σ = 62543728800. Its totient is φ = 40291666432.

The previous prime is 51242024167. The next prime is 51242024219.

It is a happy number.

51242024215 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51242024215 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51242024219) 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, 2181051 + ... + 2204419.

It is an arithmetic number, because the mean of its divisors is an integer number (3908983050).

Almost surely, 2^51242024215 is an apocalyptic number.

51242024215 is a deficient number, since it is larger than the sum of its proper divisors (11301704585).

51242024215 is a wasteful number, since it uses less digits than its factorization.

51242024215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30866.

The product of its (nonzero) digits is 6400, while the sum is 28.

It can be divided in two parts, 512420 and 24215, that added together give a palindrome (536635).

The spelling of 51242024215 in words is "fifty-one billion, two hundred forty-two million, twenty-four thousand, two hundred fifteen".