47112855557 has 2 divisors, whose sum is σ = 47112855558. Its totient is φ = 47112855556.

The previous prime is 47112855533. The next prime is 47112855571. The reversal of 47112855557 is 75555821174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31168490116 + 15944365441 = 176546^2 + 126271^2 .

It is a cyclic number.

It is not a de Polignac number, because 47112855557 - 2¹⁴ = 47112839173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47112855457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23556427778 + 23556427779.

It is an arithmetic number, because the mean of its divisors is an integer number (23556427779).

Almost surely, 2^47112855557 is an apocalyptic number.

It is an amenable number.

47112855557 is a deficient number, since it is larger than the sum of its proper divisors (1).

47112855557 is an equidigital number, since it uses as much as digits as its factorization.

47112855557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1960000, while the sum is 50.

The spelling of 47112855557 in words is "forty-seven billion, one hundred twelve million, eight hundred fifty-five thousand, five hundred fifty-seven".