215794790211 has 64 divisors (see below), whose sum is σ = 386468361216. Its totient is φ = 103437734400.

The previous prime is 215794790201. The next prime is 215794790231. The reversal of 215794790211 is 112097497512.

It is not a de Polignac number, because 215794790211 - 2¹⁴ = 215794773827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215794790201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8579025 + ... + 8604141.

It is an arithmetic number, because the mean of its divisors is an integer number (6038568144).

Almost surely, 2^215794790211 is an apocalyptic number.

215794790211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

215794790211 is a deficient number, since it is larger than the sum of its proper divisors (170673571005).

215794790211 is a wasteful number, since it uses less digits than its factorization.

215794790211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012.

The product of its (nonzero) digits is 317520, while the sum is 48.

The spelling of 215794790211 in words is "two hundred fifteen billion, seven hundred ninety-four million, seven hundred ninety thousand, two hundred eleven".