1105378541 has 2 divisors, whose sum is σ = 1105378542. Its totient is φ = 1105378540.

The previous prime is 1105378531. The next prime is 1105378559. The reversal of 1105378541 is 1458735011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612760516 + 492618025 = 24754^2 + 22195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105378541 - 2²² = 1101184237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105378531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552689270 + 552689271.

It is an arithmetic number, because the mean of its divisors is an integer number (552689271).

Almost surely, 2^1105378541 is an apocalyptic number.

It is an amenable number.

1105378541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105378541 is an equidigital number, since it uses as much as digits as its factorization.

1105378541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1105378541 is about 33247.2335841646. The cubic root of 1105378541 is about 1033.9598536916.

The spelling of 1105378541 in words is "one billion, one hundred five million, three hundred seventy-eight thousand, five hundred forty-one".