100065740141561 has 2 divisors, whose sum is σ = 100065740141562. Its totient is φ = 100065740141560.

The previous prime is 100065740141557. The next prime is 100065740141641. The reversal of 100065740141561 is 165141047560001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78787991587600 + 21277748553961 = 8876260^2 + 4612781^2 .

It is a cyclic number.

It is not a de Polignac number, because 100065740141561 - 2² = 100065740141557 is a prime.

It is not a weakly prime, because it can be changed into another prime (100065740141461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50032870070780 + 50032870070781.

It is an arithmetic number, because the mean of its divisors is an integer number (50032870070781).

Almost surely, 2^{100065740141561} is an apocalyptic number.

It is an amenable number.

100065740141561 is a deficient number, since it is larger than the sum of its proper divisors (1).

100065740141561 is an equidigital number, since it uses as much as digits as its factorization.

100065740141561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 100065740141561 in words is "one hundred trillion, sixty-five billion, seven hundred forty million, one hundred forty-one thousand, five hundred sixty-one".