1107117491 has 2 divisors, whose sum is σ = 1107117492. Its totient is φ = 1107117490.

The previous prime is 1107117481. The next prime is 1107117497. The reversal of 1107117491 is 1947117011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1107117491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1107117497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553558745 + 553558746.

It is an arithmetic number, because the mean of its divisors is an integer number (553558746).

Almost surely, 2^1107117491 is an apocalyptic number.

1107117491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107117491 is an equidigital number, since it uses as much as digits as its factorization.

1107117491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 32.

The square root of 1107117491 is about 33273.3751068328. The cubic root of 1107117491 is about 1034.5017683352.

The spelling of 1107117491 in words is "one billion, one hundred seven million, one hundred seventeen thousand, four hundred ninety-one".