268911111380 has 24 divisors (see below), whose sum is σ = 582929894400. Its totient is φ = 104094623520.

The previous prime is 268911111331. The next prime is 268911111431. The reversal of 268911111380 is 83111119862.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216863180 + ... + 216864419.

It is an arithmetic number, because the mean of its divisors is an integer number (24288745600).

Almost surely, 2^268911111380 is an apocalyptic number.

268911111380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268911111380 is an abundant number, since it is smaller than the sum of its proper divisors (314018783020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268911111380 is a wasteful number, since it uses less digits than its factorization.

268911111380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433727639 (or 433727637 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 268911111380 in words is "two hundred sixty-eight billion, nine hundred eleven million, one hundred eleven thousand, three hundred eighty".