1091711255216 has 40 divisors (see below), whose sum is σ = 2119434285024. Its totient is φ = 544761512960.

The previous prime is 1091711255191. The next prime is 1091711255221. The reversal of 1091711255216 is 6125521171901.

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, 17324021 + ... + 17386923.

Almost surely, 2^{1091711255216} is an apocalyptic number.

1091711255216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1091711255216 is a deficient number, since it is larger than the sum of its proper divisors (1027723029808).

1091711255216 is a wasteful number, since it uses less digits than its factorization.

1091711255216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65069 (or 65063 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 41.

The spelling of 1091711255216 in words is "one trillion, ninety-one billion, seven hundred eleven million, two hundred fifty-five thousand, two hundred sixteen".