47051875145861 has 2 divisors, whose sum is σ = 47051875145862. Its totient is φ = 47051875145860.

The previous prime is 47051875145837. The next prime is 47051875145867. The reversal of 47051875145861 is 16854157815074.

47051875145861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46961758708225 + 90116437636 = 6852865^2 + 300194^2 .

It is a cyclic number.

It is not a de Polignac number, because 47051875145861 - 2¹⁴ = 47051875129477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47051875145794 and 47051875145803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47051875145867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23525937572930 + 23525937572931.

It is an arithmetic number, because the mean of its divisors is an integer number (23525937572931).

Almost surely, 2^{47051875145861} is an apocalyptic number.

It is an amenable number.

47051875145861 is a deficient number, since it is larger than the sum of its proper divisors (1).

47051875145861 is an equidigital number, since it uses as much as digits as its factorization.

47051875145861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632000, while the sum is 62.

The spelling of 47051875145861 in words is "forty-seven trillion, fifty-one billion, eight hundred seventy-five million, one hundred forty-five thousand, eight hundred sixty-one".