848179525561 has 2 divisors, whose sum is σ = 848179525562. Its totient is φ = 848179525560.

The previous prime is 848179525549. The next prime is 848179525649. The reversal of 848179525561 is 165525971848.

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., 819903085225 + 28276440336 = 905485^2 + 168156^2 .

It is a cyclic number.

It is not a de Polignac number, because 848179525561 - 2¹³ = 848179517369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 848179525561.

It is not a weakly prime, because it can be changed into another prime (848179525511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424089762780 + 424089762781.

It is an arithmetic number, because the mean of its divisors is an integer number (424089762781).

Almost surely, 2^848179525561 is an apocalyptic number.

It is an amenable number.

848179525561 is a deficient number, since it is larger than the sum of its proper divisors (1).

848179525561 is an equidigital number, since it uses as much as digits as its factorization.

848179525561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192000, while the sum is 61.

The spelling of 848179525561 in words is "eight hundred forty-eight billion, one hundred seventy-nine million, five hundred twenty-five thousand, five hundred sixty-one".