1105556045 has 16 divisors (see below), whose sum is σ = 1462200768. Its totient is φ = 795747840.

The previous prime is 1105556033. The next prime is 1105556051. The reversal of 1105556045 is 5406555011.

It is not a de Polignac number, because 1105556045 - 2¹⁸ = 1105293901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98279 + ... + 108948.

It is an arithmetic number, because the mean of its divisors is an integer number (91387548).

Almost surely, 2^1105556045 is an apocalyptic number.

It is an amenable number.

1105556045 is a deficient number, since it is larger than the sum of its proper divisors (356644723).

1105556045 is a wasteful number, since it uses less digits than its factorization.

1105556045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207340.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1105556045 is about 33249.9029321891. The cubic root of 1105556045 is about 1034.0151958753.

The spelling of 1105556045 in words is "one billion, one hundred five million, five hundred fifty-six thousand, forty-five".