1091682696331 has 2 divisors, whose sum is σ = 1091682696332. Its totient is φ = 1091682696330.

The previous prime is 1091682696277. The next prime is 1091682696341. The reversal of 1091682696331 is 1336962861901.

It is a strong prime.

It is an emirp because it is prime and its reverse (1336962861901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1091682696331 - 2¹¹ = 1091682694283 is a prime.

It is a super-2 number, since 2×1091682696331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1091682696341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545841348165 + 545841348166.

It is an arithmetic number, because the mean of its divisors is an integer number (545841348166).

Almost surely, 2^{1091682696331} is an apocalyptic number.

1091682696331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091682696331 is an equidigital number, since it uses as much as digits as its factorization.

1091682696331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 1091682696331 in words is "one trillion, ninety-one billion, six hundred eighty-two million, six hundred ninety-six thousand, three hundred thirty-one".