1141544251 has 4 divisors (see below), whose sum is σ = 1144724400. Its totient is φ = 1138364104.

The previous prime is 1141544249. The next prime is 1141544273. The reversal of 1141544251 is 1524451411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141544251 - 2¹ = 1141544249 is a prime.

It is a super-3 number, since 3×1141544251³ (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 (1141544281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589536 + ... + 1590253.

It is an arithmetic number, because the mean of its divisors is an integer number (286181100).

Almost surely, 2^1141544251 is an apocalyptic number.

1141544251 is a deficient number, since it is larger than the sum of its proper divisors (3180149).

1141544251 is an equidigital number, since it uses as much as digits as its factorization.

1141544251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180148.

The product of its digits is 3200, while the sum is 28.

The square root of 1141544251 is about 33786.7466767666. The cubic root of 1141544251 is about 1045.1154076887.

Adding to 1141544251 its reverse (1524451411), we get a palindrome (2665995662).

The spelling of 1141544251 in words is "one billion, one hundred forty-one million, five hundred forty-four thousand, two hundred fifty-one".