1141141144 has 64 divisors (see below), whose sum is σ = 2520000000. Its totient is φ = 477601920.

The previous prime is 1141141139. The next prime is 1141141171. The reversal of 1141141144 is 4411411411.

It is a happy number.

It is a super-2 number, since 2×1141141144² = 2604406221059257472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569857 + ... + 571855.

It is an arithmetic number, because the mean of its divisors is an integer number (39375000).

Almost surely, 2^1141141144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141141144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260000000).

1141141144 is an abundant number, since it is smaller than the sum of its proper divisors (1378858856).

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

1141141144 is a wasteful number, since it uses less digits than its factorization.

1141141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2524 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

The square root of 1141141144 is about 33780.7806896170. The cubic root of 1141141144 is about 1044.9923746611.

Adding to 1141141144 its reverse (4411411411), we get a palindrome (5552552555).

The spelling of 1141141144 in words is "one billion, one hundred forty-one million, one hundred forty-one thousand, one hundred forty-four".