1101465661 has 2 divisors, whose sum is σ = 1101465662. Its totient is φ = 1101465660.

The previous prime is 1101465613. The next prime is 1101465667. The reversal of 1101465661 is 1665641011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097663161 + 3802500 = 33131^2 + 1950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101465661 - 2¹¹ = 1101463613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101465667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550732830 + 550732831.

It is an arithmetic number, because the mean of its divisors is an integer number (550732831).

Almost surely, 2^1101465661 is an apocalyptic number.

It is an amenable number.

1101465661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101465661 is an equidigital number, since it uses as much as digits as its factorization.

1101465661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1101465661 is about 33188.3362192201. The cubic root of 1101465661 is about 1032.7383885570.

The spelling of 1101465661 in words is "one billion, one hundred one million, four hundred sixty-five thousand, six hundred sixty-one".