1121464044503 has 4 divisors (see below), whose sum is σ = 1223415321288. Its totient is φ = 1019512767720.

The previous prime is 1121464044427. The next prime is 1121464044527. The reversal of 1121464044503 is 3054404641211.

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 1121464044503 - 2¹² = 1121464040407 is a prime.

It is a super-2 number, since 2×1121464044503² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121464044583) 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, 50975638376 + ... + 50975638397.

It is an arithmetic number, because the mean of its divisors is an integer number (305853830322).

Almost surely, 2^{1121464044503} is an apocalyptic number.

1121464044503 is a deficient number, since it is larger than the sum of its proper divisors (101951276785).

1121464044503 is a wasteful number, since it uses less digits than its factorization.

1121464044503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101951276784.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 1121464044503 its reverse (3054404641211), we get a palindrome (4175868685714).

The spelling of 1121464044503 in words is "one trillion, one hundred twenty-one billion, four hundred sixty-four million, forty-four thousand, five hundred three".