1135555444 has 12 divisors (see below), whose sum is σ = 2091812800. Its totient is φ = 537894648.

The previous prime is 1135555441. The next prime is 1135555459. The reversal of 1135555444 is 4445555311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135555441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7470684 + ... + 7470835.

Almost surely, 2^1135555444 is an apocalyptic number.

It is an amenable number.

1135555444 is a deficient number, since it is larger than the sum of its proper divisors (956257356).

1135555444 is a wasteful number, since it uses less digits than its factorization.

1135555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14941542 (or 14941540 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 1135555444 is about 33698.0035610420. The cubic root of 1135555444 is about 1043.2845626563.

The spelling of 1135555444 in words is "one billion, one hundred thirty-five million, five hundred fifty-five thousand, four hundred forty-four".