215070701711 has 4 divisors (see below), whose sum is σ = 220316328624. Its totient is φ = 209825074800.

The previous prime is 215070701687. The next prime is 215070701759. The reversal of 215070701711 is 117107070512.

215070701711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 215070701711 - 2¹⁸ = 215070439567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215070701411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2622813395 + ... + 2622813476.

It is an arithmetic number, because the mean of its divisors is an integer number (55079082156).

Almost surely, 2^215070701711 is an apocalyptic number.

215070701711 is a deficient number, since it is larger than the sum of its proper divisors (5245626913).

215070701711 is an equidigital number, since it uses as much as digits as its factorization.

215070701711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245626912.

The product of its (nonzero) digits is 3430, while the sum is 32.

The spelling of 215070701711 in words is "two hundred fifteen billion, seventy million, seven hundred one thousand, seven hundred eleven".