47242360172101 has 2 divisors, whose sum is σ = 47242360172102. Its totient is φ = 47242360172100.

The previous prime is 47242360172039. The next prime is 47242360172177. The reversal of 47242360172101 is 10127106324274.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41170817769601 + 6071542402500 = 6416449^2 + 2464050^2 .

It is a cyclic number.

It is not a de Polignac number, because 47242360172101 - 2¹³ = 47242360163909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47242360172191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23621180086050 + 23621180086051.

It is an arithmetic number, because the mean of its divisors is an integer number (23621180086051).

Almost surely, 2^{47242360172101} is an apocalyptic number.

It is an amenable number.

47242360172101 is a deficient number, since it is larger than the sum of its proper divisors (1).

47242360172101 is an equidigital number, since it uses as much as digits as its factorization.

47242360172101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 40.

Adding to 47242360172101 its reverse (10127106324274), we get a palindrome (57369466496375).

The spelling of 47242360172101 in words is "forty-seven trillion, two hundred forty-two billion, three hundred sixty million, one hundred seventy-two thousand, one hundred one".