51200546431 has 2 divisors, whose sum is σ = 51200546432. Its totient is φ = 51200546430.

The previous prime is 51200546413. The next prime is 51200546539. The reversal of 51200546431 is 13464500215.

It is a happy number.

Together with previous prime (51200546413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51200546431 - 2⁹ = 51200545919 is a prime.

It is a super-2 number, since 2×51200546431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51200546393 and 51200546402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51200546231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25600273215 + 25600273216.

It is an arithmetic number, because the mean of its divisors is an integer number (25600273216).

Almost surely, 2^51200546431 is an apocalyptic number.

51200546431 is a deficient number, since it is larger than the sum of its proper divisors (1).

51200546431 is an equidigital number, since it uses as much as digits as its factorization.

51200546431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 51200546431 in words is "fifty-one billion, two hundred million, five hundred forty-six thousand, four hundred thirty-one".