13066155401 has 12 divisors (see below), whose sum is σ = 14294438172. Its totient is φ = 11936710656.

The previous prime is 13066155367. The next prime is 13066155413. The reversal of 13066155401 is 10455166031.

13066155401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 767345401 + 12298810000 = 27701^2 + 110900^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13066155401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13066155451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382136 + ... + 414921.

It is an arithmetic number, because the mean of its divisors is an integer number (1191203181).

Almost surely, 2^13066155401 is an apocalyptic number.

It is an amenable number.

13066155401 is a deficient number, since it is larger than the sum of its proper divisors (1228282771).

13066155401 is an equidigital number, since it uses as much as digits as its factorization.

13066155401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797180 (or 797167 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 13066155401 in words is "thirteen billion, sixty-six million, one hundred fifty-five thousand, four hundred one".