51441230251 has 8 divisors (see below), whose sum is σ = 52186454640. Its totient is φ = 50697101952.

The previous prime is 51441230231. The next prime is 51441230293. The reversal of 51441230251 is 15203214415.

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

It is a cyclic number.

It is not a de Polignac number, because 51441230251 - 2²¹ = 51439133099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51441230231) 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, 179245 + ... + 367438.

It is an arithmetic number, because the mean of its divisors is an integer number (6523306830).

Almost surely, 2^51441230251 is an apocalyptic number.

51441230251 is a deficient number, since it is larger than the sum of its proper divisors (745224389).

51441230251 is a wasteful number, since it uses less digits than its factorization.

51441230251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548045.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 51441230251 its reverse (15203214415), we get a palindrome (66644444666).

The spelling of 51441230251 in words is "fifty-one billion, four hundred forty-one million, two hundred thirty thousand, two hundred fifty-one".