601105100009 has 2 divisors, whose sum is σ = 601105100010. Its totient is φ = 601105100008.

The previous prime is 601105100003. The next prime is 601105100023. The reversal of 601105100009 is 900001501106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577204867600 + 23900232409 = 759740^2 + 154597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601105100009 is a prime.

It is a super-2 number, since 2×601105100009² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (601105100003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300552550004 + 300552550005.

It is an arithmetic number, because the mean of its divisors is an integer number (300552550005).

Almost surely, 2^601105100009 is an apocalyptic number.

It is an amenable number.

601105100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

601105100009 is an equidigital number, since it uses as much as digits as its factorization.

601105100009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 23.

The spelling of 601105100009 in words is "six hundred one billion, one hundred five million, one hundred thousand, nine".