1091919351086 has 8 divisors (see below), whose sum is σ = 1638201015360. Its totient is φ = 545852345968.

The previous prime is 1091919351073. The next prime is 1091919351167. The reversal of 1091919351086 is 6801539191901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53652071 + ... + 53672418.

It is an arithmetic number, because the mean of its divisors is an integer number (204775126920).

Almost surely, 2^{1091919351086} is an apocalyptic number.

1091919351086 is a deficient number, since it is larger than the sum of its proper divisors (546281664274).

1091919351086 is a wasteful number, since it uses less digits than its factorization.

1091919351086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107329578.

The product of its (nonzero) digits is 524880, while the sum is 53.

The spelling of 1091919351086 in words is "one trillion, ninety-one billion, nine hundred nineteen million, three hundred fifty-one thousand, eighty-six".