1105778311 has 8 divisors (see below), whose sum is σ = 1277262864. Its totient is φ = 946120320.

The previous prime is 1105778299. The next prime is 1105778329. The reversal of 1105778311 is 1138775011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1105778311 - 2¹⁹ = 1105254023 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 (1105778371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2956440 + ... + 2956813.

It is an arithmetic number, because the mean of its divisors is an integer number (159657858).

Almost surely, 2^1105778311 is an apocalyptic number.

1105778311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1105778311 is a deficient number, since it is larger than the sum of its proper divisors (171484553).

1105778311 is a wasteful number, since it uses less digits than its factorization.

1105778311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913281.

The product of its (nonzero) digits is 5880, while the sum is 34.

The square root of 1105778311 is about 33253.2451198376. The cubic root of 1105778311 is about 1034.0844855998.

The spelling of 1105778311 in words is "one billion, one hundred five million, seven hundred seventy-eight thousand, three hundred eleven".