1105091357189 has 2 divisors, whose sum is σ = 1105091357190. Its totient is φ = 1105091357188.

The previous prime is 1105091357147. The next prime is 1105091357203. The reversal of 1105091357189 is 9817531905011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 904962177025 + 200129180164 = 951295^2 + 447358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105091357189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105091357789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552545678594 + 552545678595.

It is an arithmetic number, because the mean of its divisors is an integer number (552545678595).

Almost surely, 2^{1105091357189} is an apocalyptic number.

It is an amenable number.

1105091357189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105091357189 is an equidigital number, since it uses as much as digits as its factorization.

1105091357189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 50.

The spelling of 1105091357189 in words is "one trillion, one hundred five billion, ninety-one million, three hundred fifty-seven thousand, one hundred eighty-nine".