100241541161 has 2 divisors, whose sum is σ = 100241541162. Its totient is φ = 100241541160.

The previous prime is 100241541157. The next prime is 100241541173. The reversal of 100241541161 is 161145142001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99197281936 + 1044259225 = 314956^2 + 32315^2 .

It is a cyclic number.

It is not a de Polignac number, because 100241541161 - 2² = 100241541157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100241541161.

It is not a weakly prime, because it can be changed into another prime (100241541121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50120770580 + 50120770581.

It is an arithmetic number, because the mean of its divisors is an integer number (50120770581).

Almost surely, 2^100241541161 is an apocalyptic number.

It is an amenable number.

100241541161 is a deficient number, since it is larger than the sum of its proper divisors (1).

100241541161 is an equidigital number, since it uses as much as digits as its factorization.

100241541161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 100241541161 its reverse (161145142001), we get a palindrome (261386683162).

The spelling of 100241541161 in words is "one hundred billion, two hundred forty-one million, five hundred forty-one thousand, one hundred sixty-one".