1445141511121 has 8 divisors (see below), whose sum is σ = 1801734871104. Its totient is φ = 1126084294320.

The previous prime is 1445141511113. The next prime is 1445141511133. The reversal of 1445141511121 is 1211151415441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445141511121 - 2³ = 1445141511113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445141511101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9384035710 + ... + 9384035863.

It is an arithmetic number, because the mean of its divisors is an integer number (225216858888).

Almost surely, 2^{1445141511121} is an apocalyptic number.

1445141511121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445141511121 is a deficient number, since it is larger than the sum of its proper divisors (356593359983).

1445141511121 is a wasteful number, since it uses less digits than its factorization.

1445141511121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18768071591.

The product of its digits is 3200, while the sum is 31.

Adding to 1445141511121 its reverse (1211151415441), we get a palindrome (2656292926562).

The spelling of 1445141511121 in words is "one trillion, four hundred forty-five billion, one hundred forty-one million, five hundred eleven thousand, one hundred twenty-one".