1105398556 has 12 divisors (see below), whose sum is σ = 1942475920. Its totient is φ = 550405440.

The previous prime is 1105398533. The next prime is 1105398559. The reversal of 1105398556 is 6558935011.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105398559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572376 + ... + 574303.

Almost surely, 2^1105398556 is an apocalyptic number.

It is an amenable number.

1105398556 is a deficient number, since it is larger than the sum of its proper divisors (837077364).

1105398556 is a wasteful number, since it uses less digits than its factorization.

1105398556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146924 (or 1146922 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The square root of 1105398556 is about 33247.5345852892. The cubic root of 1105398556 is about 1033.9660942631.

The spelling of 1105398556 in words is "one billion, one hundred five million, three hundred ninety-eight thousand, five hundred fifty-six".