268002755091 has 12 divisors (see below), whose sum is σ = 387256874680. Its totient is φ = 178603064640.

The previous prime is 268002755089. The next prime is 268002755101. The reversal of 268002755091 is 190557200862.

268002755091 is a `hidden beast` number, since 2 + 6 + 8 + 0 + 0 + 2 + 7 + 550 + 91 = 666.

It is not a de Polignac number, because 268002755091 - 2¹ = 268002755089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268002755081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5427286 + ... + 5476443.

Almost surely, 2^268002755091 is an apocalyptic number.

268002755091 is a deficient number, since it is larger than the sum of its proper divisors (119254119589).

268002755091 is a wasteful number, since it uses less digits than its factorization.

268002755091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10906466 (or 10906463 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 268002755091 in words is "two hundred sixty-eight billion, two million, seven hundred fifty-five thousand, ninety-one".