51031625435051 has 2 divisors, whose sum is σ = 51031625435052. Its totient is φ = 51031625435050.

The previous prime is 51031625435039. The next prime is 51031625435099. The reversal of 51031625435051 is 15053452613015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51031625435051 - 2²⁶ = 51031558326187 is a prime.

It is not a weakly prime, because it can be changed into another prime (51031625405051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25515812717525 + 25515812717526.

It is an arithmetic number, because the mean of its divisors is an integer number (25515812717526).

Almost surely, 2^{51031625435051} is an apocalyptic number.

51031625435051 is a deficient number, since it is larger than the sum of its proper divisors (1).

51031625435051 is an equidigital number, since it uses as much as digits as its factorization.

51031625435051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 51031625435051 in words is "fifty-one trillion, thirty-one billion, six hundred twenty-five million, four hundred thirty-five thousand, fifty-one".