51061015211447 has 2 divisors, whose sum is σ = 51061015211448. Its totient is φ = 51061015211446.

The previous prime is 51061015211431. The next prime is 51061015211567. The reversal of 51061015211447 is 74411251016015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51061015211447 - 2⁴ = 51061015211431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51061015211447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51061015211417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530507605723 + 25530507605724.

It is an arithmetic number, because the mean of its divisors is an integer number (25530507605724).

Almost surely, 2^{51061015211447} is an apocalyptic number.

51061015211447 is a deficient number, since it is larger than the sum of its proper divisors (1).

51061015211447 is an equidigital number, since it uses as much as digits as its factorization.

51061015211447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 51061015211447 in words is "fifty-one trillion, sixty-one billion, fifteen million, two hundred eleven thousand, four hundred forty-seven".