47212277551 has 2 divisors, whose sum is σ = 47212277552. Its totient is φ = 47212277550.

The previous prime is 47212277533. The next prime is 47212277587. The reversal of 47212277551 is 15577221274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47212277551 - 2⁷ = 47212277423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47212277498 and 47212277507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47212277531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23606138775 + 23606138776.

It is an arithmetic number, because the mean of its divisors is an integer number (23606138776).

Almost surely, 2^47212277551 is an apocalyptic number.

47212277551 is a deficient number, since it is larger than the sum of its proper divisors (1).

47212277551 is an equidigital number, since it uses as much as digits as its factorization.

47212277551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274400, while the sum is 43.

The spelling of 47212277551 in words is "forty-seven billion, two hundred twelve million, two hundred seventy-seven thousand, five hundred fifty-one".