268020911 has 4 divisors (see below), whose sum is σ = 268394400. Its totient is φ = 267647424.

The previous prime is 268020901. The next prime is 268020959. The reversal of 268020911 is 119020862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119020862 = 2 ⋅59510431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268020911 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 (268020901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185666 + ... + 187103.

It is an arithmetic number, because the mean of its divisors is an integer number (67098600).

Almost surely, 2^268020911 is an apocalyptic number.

268020911 is a deficient number, since it is larger than the sum of its proper divisors (373489).

268020911 is an equidigital number, since it uses as much as digits as its factorization.

268020911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373488.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 268020911 is about 16371.3442025999. The cubic root of 268020911 is about 644.7473408988.

The spelling of 268020911 in words is "two hundred sixty-eight million, twenty thousand, nine hundred eleven".