215233564170139 has 2 divisors, whose sum is σ = 215233564170140. Its totient is φ = 215233564170138.

The previous prime is 215233564170127. The next prime is 215233564170241. The reversal of 215233564170139 is 931071465332512.

215233564170139 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 is a cyclic number.

It is not a de Polignac number, because 215233564170139 - 2⁷ = 215233564170011 is a prime.

It is not a weakly prime, because it can be changed into another prime (215233564170109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107616782085069 + 107616782085070.

It is an arithmetic number, because the mean of its divisors is an integer number (107616782085070).

Almost surely, 2^{215233564170139} is an apocalyptic number.

215233564170139 is a deficient number, since it is larger than the sum of its proper divisors (1).

215233564170139 is an equidigital number, since it uses as much as digits as its factorization.

215233564170139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 215233564170139 in words is "two hundred fifteen trillion, two hundred thirty-three billion, five hundred sixty-four million, one hundred seventy thousand, one hundred thirty-nine".