1105775381 has 8 divisors (see below), whose sum is σ = 1112395680. Its totient is φ = 1099165648.

The previous prime is 1105775369. The next prime is 1105775383. The reversal of 1105775381 is 1835775011.

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 1105775381 - 2³⁰ = 32033557 is a prime.

It is a super-2 number, since 2×1105775381² = 2445478386451390322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105775383) 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, 317210 + ... + 320676.

It is an arithmetic number, because the mean of its divisors is an integer number (139049460).

Almost surely, 2^1105775381 is an apocalyptic number.

It is an amenable number.

1105775381 is a deficient number, since it is larger than the sum of its proper divisors (6620299).

1105775381 is a wasteful number, since it uses less digits than its factorization.

1105775381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283.

The product of its (nonzero) digits is 29400, while the sum is 38.

The square root of 1105775381 is about 33253.2010639577. The cubic root of 1105775381 is about 1034.0835722551.

The spelling of 1105775381 in words is "one billion, one hundred five million, seven hundred seventy-five thousand, three hundred eighty-one".