1105578349 has 4 divisors (see below), whose sum is σ = 1107600064. Its totient is φ = 1103556636.

The previous prime is 1105578347. The next prime is 1105578359. The reversal of 1105578349 is 9438755011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105578349 - 2¹ = 1105578347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105578347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010037 + ... + 1011130.

It is an arithmetic number, because the mean of its divisors is an integer number (276900016).

Almost surely, 2^1105578349 is an apocalyptic number.

It is an amenable number.

1105578349 is a deficient number, since it is larger than the sum of its proper divisors (2021715).

1105578349 is an equidigital number, since it uses as much as digits as its factorization.

1105578349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021714.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1105578349 is about 33250.2383299729. The cubic root of 1105578349 is about 1034.0221493958.

The spelling of 1105578349 in words is "one billion, one hundred five million, five hundred seventy-eight thousand, three hundred forty-nine".