1091288338822 has 32 divisors (see below), whose sum is σ = 1827801676800. Its totient is φ = 484404641280.

The previous prime is 1091288338813. The next prime is 1091288338831. The reversal of 1091288338822 is 2288338821901.

It is an interprime number because it is at equal distance from previous prime (1091288338813) and next prime (1091288338831).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711018 + ... + 1639549.

It is an arithmetic number, because the mean of its divisors is an integer number (57118802400).

Almost surely, 2^{1091288338822} is an apocalyptic number.

1091288338822 is a deficient number, since it is larger than the sum of its proper divisors (736513337978).

1091288338822 is a wasteful number, since it uses less digits than its factorization.

1091288338822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351076.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 1091288338822 in words is "one trillion, ninety-one billion, two hundred eighty-eight million, three hundred thirty-eight thousand, eight hundred twenty-two".