51045855043 has 2 divisors, whose sum is σ = 51045855044. Its totient is φ = 51045855042.

The previous prime is 51045855017. The next prime is 51045855061. The reversal of 51045855043 is 34055854015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51045855043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51045854987 and 51045855005.

It is not a weakly prime, because it can be changed into another prime (51045855143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25522927521 + 25522927522.

It is an arithmetic number, because the mean of its divisors is an integer number (25522927522).

Almost surely, 2^51045855043 is an apocalyptic number.

51045855043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51045855043 is an equidigital number, since it uses as much as digits as its factorization.

51045855043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 51045855043 in words is "fifty-one billion, forty-five million, eight hundred fifty-five thousand, forty-three".