1100814089491 has 2 divisors, whose sum is σ = 1100814089492. Its totient is φ = 1100814089490.

The previous prime is 1100814089471. The next prime is 1100814089567. The reversal of 1100814089491 is 1949804180011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100814089491 - 2²⁵ = 1100780535059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100814089411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550407044745 + 550407044746.

It is an arithmetic number, because the mean of its divisors is an integer number (550407044746).

Almost surely, 2^{1100814089491} is an apocalyptic number.

1100814089491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100814089491 is an equidigital number, since it uses as much as digits as its factorization.

1100814089491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 46.

The spelling of 1100814089491 in words is "one trillion, one hundred billion, eight hundred fourteen million, eighty-nine thousand, four hundred ninety-one".