51241215201 has 8 divisors (see below), whose sum is σ = 74532676704. Its totient is φ = 31055281920.

The previous prime is 51241215191. The next prime is 51241215209. The reversal of 51241215201 is 10251214215.

It is a happy number.

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

It is not a de Polignac number, because 51241215201 - 2⁵ = 51241215169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51241215209) 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, 776382016 + ... + 776382081.

It is an arithmetic number, because the mean of its divisors is an integer number (9316584588).

Almost surely, 2^51241215201 is an apocalyptic number.

It is an amenable number.

51241215201 is a deficient number, since it is larger than the sum of its proper divisors (23291461503).

51241215201 is a wasteful number, since it uses less digits than its factorization.

51241215201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552764111.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 51241215201 its reverse (10251214215), we get a palindrome (61492429416).

The spelling of 51241215201 in words is "fifty-one billion, two hundred forty-one million, two hundred fifteen thousand, two hundred one".