1141544505 has 16 divisors (see below), whose sum is σ = 1826907264. Its totient is φ = 608678400.

The previous prime is 1141544501. The next prime is 1141544563. The reversal of 1141544505 is 5054451411.

It is not a de Polignac number, because 1141544505 - 2² = 1141544501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1141544501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92457 + ... + 104073.

It is an arithmetic number, because the mean of its divisors is an integer number (114181704).

Almost surely, 2^1141544505 is an apocalyptic number.

1141544505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141544505 is a deficient number, since it is larger than the sum of its proper divisors (685362759).

1141544505 is a wasteful number, since it uses less digits than its factorization.

1141544505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18176.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 1141544505 is about 33786.7504356367. The cubic root of 1141544505 is about 1045.1154852033.

Adding to 1141544505 its reverse (5054451411), we get a palindrome (6195995916).

The spelling of 1141544505 in words is "one billion, one hundred forty-one million, five hundred forty-four thousand, five hundred five".