1011133144 has 32 divisors (see below), whose sum is σ = 2219565600. Its totient is φ = 422772480.

The previous prime is 1011133073. The next prime is 1011133163. The reversal of 1011133144 is 4413311101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217899 + ... + 222490.

It is an arithmetic number, because the mean of its divisors is an integer number (69361425).

Almost surely, 2^1011133144 is an apocalyptic number.

1011133144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1011133144 is an abundant number, since it is smaller than the sum of its proper divisors (1208432456).

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

1011133144 is a wasteful number, since it uses less digits than its factorization.

1011133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440443 (or 440439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1011133144 is about 31798.3198298275. The cubic root of 1011133144 is about 1003.6973606758.

Adding to 1011133144 its reverse (4413311101), we get a palindrome (5424444245).

The spelling of 1011133144 in words is "one billion, eleven million, one hundred thirty-three thousand, one hundred forty-four".