1101106549 has 2 divisors, whose sum is σ = 1101106550. Its totient is φ = 1101106548.

The previous prime is 1101106543. The next prime is 1101106561. The reversal of 1101106549 is 9456011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 776458225 + 324648324 = 27865^2 + 18018^2 .

It is an emirp because it is prime and its reverse (9456011011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101106549 - 2¹³ = 1101098357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101106543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550553274 + 550553275.

It is an arithmetic number, because the mean of its divisors is an integer number (550553275).

Almost surely, 2^1101106549 is an apocalyptic number.

It is an amenable number.

1101106549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101106549 is an equidigital number, since it uses as much as digits as its factorization.

1101106549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 1101106549 is about 33182.9255642115. The cubic root of 1101106549 is about 1032.6261414322.

The spelling of 1101106549 in words is "one billion, one hundred one million, one hundred six thousand, five hundred forty-nine".