1144203411 has 64 divisors (see below), whose sum is σ = 1788272640. Its totient is φ = 644474880.

The previous prime is 1144203409. The next prime is 1144203419. The reversal of 1144203411 is 1143024411.

It is not a de Polignac number, because 1144203411 - 2¹ = 1144203409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144203419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5130846 + ... + 5131068.

It is an arithmetic number, because the mean of its divisors is an integer number (27941760).

Almost surely, 2^1144203411 is an apocalyptic number.

1144203411 is a deficient number, since it is larger than the sum of its proper divisors (644069229).

1144203411 is a wasteful number, since it uses less digits than its factorization.

1144203411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144203411 is about 33826.0759030663. The cubic root of 1144203411 is about 1045.9262899458.

Adding to 1144203411 its reverse (1143024411), we get a palindrome (2287227822).

The spelling of 1144203411 in words is "one billion, one hundred forty-four million, two hundred three thousand, four hundred eleven".