101041635521 has 2 divisors, whose sum is σ = 101041635522. Its totient is φ = 101041635520.

The previous prime is 101041635503. The next prime is 101041635587. The reversal of 101041635521 is 125536140101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101031801025 + 9834496 = 317855^2 + 3136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101041635521 is a prime.

It is not a weakly prime, because it can be changed into another prime (101041605521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50520817760 + 50520817761.

It is an arithmetic number, because the mean of its divisors is an integer number (50520817761).

Almost surely, 2^101041635521 is an apocalyptic number.

It is an amenable number.

101041635521 is a deficient number, since it is larger than the sum of its proper divisors (1).

101041635521 is an equidigital number, since it uses as much as digits as its factorization.

101041635521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 101041635521 its reverse (125536140101), we get a palindrome (226577775622).

The spelling of 101041635521 in words is "one hundred one billion, forty-one million, six hundred thirty-five thousand, five hundred twenty-one".