1101564941 has 2 divisors, whose sum is σ = 1101564942. Its totient is φ = 1101564940.

The previous prime is 1101564931. The next prime is 1101564973. The reversal of 1101564941 is 1494651011.

It is an a-pointer prime, because the next prime (1101564973) can be obtained adding 1101564941 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078859716 + 22705225 = 32846^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101564941 - 2¹⁰ = 1101563917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101564898 and 1101564907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101564911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550782470 + 550782471.

It is an arithmetic number, because the mean of its divisors is an integer number (550782471).

Almost surely, 2^1101564941 is an apocalyptic number.

It is an amenable number.

1101564941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101564941 is an equidigital number, since it uses as much as digits as its factorization.

1101564941 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 32.

The square root of 1101564941 is about 33189.8318917104. The cubic root of 1101564941 is about 1032.7694160599.

The spelling of 1101564941 in words is "one billion, one hundred one million, five hundred sixty-four thousand, nine hundred forty-one".