66060511001 has 2 divisors, whose sum is σ = 66060511002. Its totient is φ = 66060511000.

The previous prime is 66060510983. The next prime is 66060511031. The reversal of 66060511001 is 10011506066.

66060511001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48542664976 + 17517846025 = 220324^2 + 132355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66060511001 is a prime.

It is a super-2 number, since 2×66060511001² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66060511031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33030255500 + 33030255501.

It is an arithmetic number, because the mean of its divisors is an integer number (33030255501).

Almost surely, 2^66060511001 is an apocalyptic number.

It is an amenable number.

66060511001 is a deficient number, since it is larger than the sum of its proper divisors (1).

66060511001 is an equidigital number, since it uses as much as digits as its factorization.

66060511001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 66060511001 in words is "sixty-six billion, sixty million, five hundred eleven thousand, one".