1101055004891 has 2 divisors, whose sum is σ = 1101055004892. Its totient is φ = 1101055004890.

The previous prime is 1101055004851. The next prime is 1101055004897. The reversal of 1101055004891 is 1984005501011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101055004891 - 2⁶ = 1101055004827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101055004897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550527502445 + 550527502446.

It is an arithmetic number, because the mean of its divisors is an integer number (550527502446).

Almost surely, 2^{1101055004891} is an apocalyptic number.

1101055004891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101055004891 is an equidigital number, since it uses as much as digits as its factorization.

1101055004891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 35.

The spelling of 1101055004891 in words is "one trillion, one hundred one billion, fifty-five million, four thousand, eight hundred ninety-one".