47525110781 has 2 divisors, whose sum is σ = 47525110782. Its totient is φ = 47525110780.

The previous prime is 47525110741. The next prime is 47525110861. The reversal of 47525110781 is 18701152574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44061788281 + 3463322500 = 209909^2 + 58850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47525110781 is a prime.

It is a super-2 number, since 2×47525110781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47525110741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23762555390 + 23762555391.

It is an arithmetic number, because the mean of its divisors is an integer number (23762555391).

Almost surely, 2^47525110781 is an apocalyptic number.

It is an amenable number.

47525110781 is a deficient number, since it is larger than the sum of its proper divisors (1).

47525110781 is an equidigital number, since it uses as much as digits as its factorization.

47525110781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 41.

The spelling of 47525110781 in words is "forty-seven billion, five hundred twenty-five million, one hundred ten thousand, seven hundred eighty-one".