1091367986763 has 8 divisors (see below), whose sum is σ = 1456662135808. Its totient is φ = 726826247784.

The previous prime is 1091367986719. The next prime is 1091367986803. The reversal of 1091367986763 is 3676897631901.

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

It is not a de Polignac number, because 1091367986763 - 2²⁸ = 1091099551307 is a prime.

It is a super-2 number, since 2×1091367986763² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1091367986694 and 1091367986703.

It is not an unprimeable number, because it can be changed into a prime (1091367986363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188099131 + ... + 188104932.

It is an arithmetic number, because the mean of its divisors is an integer number (182082766976).

Almost surely, 2^{1091367986763} is an apocalyptic number.

1091367986763 is a deficient number, since it is larger than the sum of its proper divisors (365294149045).

1091367986763 is an equidigital number, since it uses as much as digits as its factorization.

1091367986763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376205033.

The product of its (nonzero) digits is 61725888, while the sum is 66.

The spelling of 1091367986763 in words is "one trillion, ninety-one billion, three hundred sixty-seven million, nine hundred eighty-six thousand, seven hundred sixty-three".