1135444053 has 4 divisors (see below), whose sum is σ = 1513925408. Its totient is φ = 756962700.

The previous prime is 1135444027. The next prime is 1135444091. The reversal of 1135444053 is 3504445311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3504445311 = 3 ⋅1168148437.

It is not a de Polignac number, because 1135444053 - 2⁵ = 1135444021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135444053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135445053) 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, 189240673 + ... + 189240678.

It is an arithmetic number, because the mean of its divisors is an integer number (378481352).

Almost surely, 2^1135444053 is an apocalyptic number.

It is an amenable number.

1135444053 is a deficient number, since it is larger than the sum of its proper divisors (378481355).

1135444053 is an equidigital number, since it uses as much as digits as its factorization.

1135444053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378481354.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1135444053 is about 33696.3507371347. The cubic root of 1135444053 is about 1043.2504482760.

Adding to 1135444053 its reverse (3504445311), we get a palindrome (4639889364).

The spelling of 1135444053 in words is "one billion, one hundred thirty-five million, four hundred forty-four thousand, fifty-three".