47115022481 has 2 divisors, whose sum is σ = 47115022482. Its totient is φ = 47115022480.

The previous prime is 47115022447. The next prime is 47115022499. The reversal of 47115022481 is 18422051174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34267933456 + 12847089025 = 185116^2 + 113345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47115022481 is a prime.

It is a super-2 number, since 2×47115022481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47115022441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23557511240 + 23557511241.

It is an arithmetic number, because the mean of its divisors is an integer number (23557511241).

Almost surely, 2^47115022481 is an apocalyptic number.

It is an amenable number.

47115022481 is a deficient number, since it is larger than the sum of its proper divisors (1).

47115022481 is an equidigital number, since it uses as much as digits as its factorization.

47115022481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 47115022481 in words is "forty-seven billion, one hundred fifteen million, twenty-two thousand, four hundred eighty-one".