1441125551 has 4 divisors (see below), whose sum is σ = 1487613504. Its totient is φ = 1394637600.

The previous prime is 1441125529. The next prime is 1441125571. The reversal of 1441125551 is 1555211441.

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 1441125551 - 2²² = 1436931247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441125571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23243930 + ... + 23243991.

It is an arithmetic number, because the mean of its divisors is an integer number (371903376).

Almost surely, 2^1441125551 is an apocalyptic number.

1441125551 is a deficient number, since it is larger than the sum of its proper divisors (46487953).

1441125551 is an equidigital number, since it uses as much as digits as its factorization.

1441125551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46487952.

The product of its digits is 4000, while the sum is 29.

The square root of 1441125551 is about 37962.1594617588. The cubic root of 1441125551 is about 1129.5373758236.

Adding to 1441125551 its reverse (1555211441), we get a palindrome (2996336992).

The spelling of 1441125551 in words is "one billion, four hundred forty-one million, one hundred twenty-five thousand, five hundred fifty-one".