215162012780623 has 2 divisors, whose sum is σ = 215162012780624. Its totient is φ = 215162012780622.

The previous prime is 215162012780609. The next prime is 215162012780747. The reversal of 215162012780623 is 326087210261512.

215162012780623 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 215162012780623 - 2³³ = 215153422846031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215162012180623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107581006390311 + 107581006390312.

It is an arithmetic number, because the mean of its divisors is an integer number (107581006390312).

Almost surely, 2^{215162012780623} is an apocalyptic number.

215162012780623 is a deficient number, since it is larger than the sum of its proper divisors (1).

215162012780623 is an equidigital number, since it uses as much as digits as its factorization.

215162012780623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 215162012780623 in words is "two hundred fifteen trillion, one hundred sixty-two billion, twelve million, seven hundred eighty thousand, six hundred twenty-three".