51056230451 has 2 divisors, whose sum is σ = 51056230452. Its totient is φ = 51056230450.

The previous prime is 51056230447. The next prime is 51056230523. The reversal of 51056230451 is 15403265015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51056230451 - 2² = 51056230447 is a prime.

It is not a weakly prime, because it can be changed into another prime (51056238451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528115225 + 25528115226.

It is an arithmetic number, because the mean of its divisors is an integer number (25528115226).

Almost surely, 2^51056230451 is an apocalyptic number.

51056230451 is a deficient number, since it is larger than the sum of its proper divisors (1).

51056230451 is an equidigital number, since it uses as much as digits as its factorization.

51056230451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 51056230451 its reverse (15403265015), we get a palindrome (66459495466).

The spelling of 51056230451 in words is "fifty-one billion, fifty-six million, two hundred thirty thousand, four hundred fifty-one".