1441155240121 has 4 divisors (see below), whose sum is σ = 1442609484544. Its totient is φ = 1439700995700.

The previous prime is 1441155240071. The next prime is 1441155240157. The reversal of 1441155240121 is 1210425511441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1441155240121 - 2¹¹ = 1441155238073 is a prime.

It is a super-2 number, since 2×1441155240121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441155840121) 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, 727120725 + ... + 727122706.

It is an arithmetic number, because the mean of its divisors is an integer number (360652371136).

Almost surely, 2^{1441155240121} is an apocalyptic number.

It is an amenable number.

1441155240121 is a deficient number, since it is larger than the sum of its proper divisors (1454244423).

1441155240121 is an equidigital number, since it uses as much as digits as its factorization.

1441155240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454244422.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 1441155240121 in words is "one trillion, four hundred forty-one billion, one hundred fifty-five million, two hundred forty thousand, one hundred twenty-one".