1101992832491 has 2 divisors, whose sum is σ = 1101992832492. Its totient is φ = 1101992832490.

The previous prime is 1101992832449. The next prime is 1101992832509. The reversal of 1101992832491 is 1942382991011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101992832491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101992832431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550996416245 + 550996416246.

It is an arithmetic number, because the mean of its divisors is an integer number (550996416246).

Almost surely, 2^{1101992832491} is an apocalyptic number.

1101992832491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101992832491 is an equidigital number, since it uses as much as digits as its factorization.

1101992832491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 1101992832491 in words is "one trillion, one hundred one billion, nine hundred ninety-two million, eight hundred thirty-two thousand, four hundred ninety-one".