1455044211121 has 4 divisors (see below), whose sum is σ = 1455046951744. Its totient is φ = 1455041470500.

The previous prime is 1455044211107. The next prime is 1455044211143. The reversal of 1455044211121 is 1211124405541.

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 1455044211121 - 2⁷ = 1455044210993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455044211721) 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, 290085 + ... + 1730386.

It is an arithmetic number, because the mean of its divisors is an integer number (363761737936).

Almost surely, 2^{1455044211121} is an apocalyptic number.

It is an amenable number.

1455044211121 is a deficient number, since it is larger than the sum of its proper divisors (2740623).

1455044211121 is an equidigital number, since it uses as much as digits as its factorization.

1455044211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740622.

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

Adding to 1455044211121 its reverse (1211124405541), we get a palindrome (2666168616662).

The spelling of 1455044211121 in words is "one trillion, four hundred fifty-five billion, forty-four million, two hundred eleven thousand, one hundred twenty-one".