100500055610081 has 2 divisors, whose sum is σ = 100500055610082. Its totient is φ = 100500055610080.

The previous prime is 100500055610047. The next prime is 100500055610117. The reversal of 100500055610081 is 180016550005001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94008363115681 + 6491692494400 = 9695791^2 + 2547880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100500055610081 is a prime.

It is a super-2 number, since 2×100500055610081² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100500055610021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50250027805040 + 50250027805041.

It is an arithmetic number, because the mean of its divisors is an integer number (50250027805041).

Almost surely, 2^{100500055610081} is an apocalyptic number.

It is an amenable number.

100500055610081 is a deficient number, since it is larger than the sum of its proper divisors (1).

100500055610081 is an equidigital number, since it uses as much as digits as its factorization.

100500055610081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 100500055610081 in words is "one hundred trillion, five hundred billion, fifty-five million, six hundred ten thousand, eighty-one".