268154911 has 2 divisors, whose sum is σ = 268154912. Its totient is φ = 268154910.

The previous prime is 268154903. The next prime is 268154917. The reversal of 268154911 is 119451862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268154911 - 2³ = 268154903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268154917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134077455 + 134077456.

It is an arithmetic number, because the mean of its divisors is an integer number (134077456).

Almost surely, 2^268154911 is an apocalyptic number.

268154911 is a deficient number, since it is larger than the sum of its proper divisors (1).

268154911 is an equidigital number, since it uses as much as digits as its factorization.

268154911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 268154911 is about 16375.4362079305. The cubic root of 268154911 is about 644.8547725032.

The spelling of 268154911 in words is "two hundred sixty-eight million, one hundred fifty-four thousand, nine hundred eleven".