1105859540 has 12 divisors (see below), whose sum is σ = 2322305076. Its totient is φ = 442343808.

The previous prime is 1105859539. The next prime is 1105859563. The reversal of 1105859540 is 459585011.

It can be written as a sum of positive squares in 2 ways, for example, as 310393924 + 795465616 = 17618^2 + 28204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1105859494 and 1105859503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27646469 + ... + 27646508.

It is an arithmetic number, because the mean of its divisors is an integer number (193525423).

Almost surely, 2^1105859540 is an apocalyptic number.

1105859540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105859540 is an abundant number, since it is smaller than the sum of its proper divisors (1216445536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105859540 is a wasteful number, since it uses less digits than its factorization.

1105859540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55292986 (or 55292984 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 1105859540 is about 33254.4664669274. The cubic root of 1105859540 is about 1034.1098058022.

The spelling of 1105859540 in words is "one billion, one hundred five million, eight hundred fifty-nine thousand, five hundred forty".