100000060081 has 2 divisors, whose sum is σ = 100000060082. Its totient is φ = 100000060080.

The previous prime is 100000060049. The next prime is 100000060103. The reversal of 100000060081 is 180060000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71374465600 + 28625594481 = 267160^2 + 169191^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000060081 - 2⁵ = 100000060049 is a prime.

It is a super-2 number, since 2×100000060081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100000060001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000030040 + 50000030041.

It is an arithmetic number, because the mean of its divisors is an integer number (50000030041).

Almost surely, 2^100000060081 is an apocalyptic number.

It is an amenable number.

100000060081 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000060081 is an equidigital number, since it uses as much as digits as its factorization.

100000060081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 100000060081 its reverse (180060000001), we get a palindrome (280060060082).

The spelling of 100000060081 in words is "one hundred billion, sixty thousand, eighty-one".