1141441555 has 4 divisors (see below), whose sum is σ = 1369729872. Its totient is φ = 913153240.

The previous prime is 1141441541. The next prime is 1141441559. The reversal of 1141441555 is 5551441411.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1141441555 is a prime.

It is a super-3 number, since 3×1141441555³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141441559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114144151 + ... + 114144160.

It is an arithmetic number, because the mean of its divisors is an integer number (342432468).

Almost surely, 2^1141441555 is an apocalyptic number.

1141441555 is a deficient number, since it is larger than the sum of its proper divisors (228288317).

1141441555 is an equidigital number, since it uses as much as digits as its factorization.

1141441555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228288316.

The product of its digits is 8000, while the sum is 31.

The square root of 1141441555 is about 33785.2268750707. The cubic root of 1141441555 is about 1045.0840664038.

Adding to 1141441555 its reverse (5551441411), we get a palindrome (6692882966).

The spelling of 1141441555 in words is "one billion, one hundred forty-one million, four hundred forty-one thousand, five hundred fifty-five".