1121141253503 has 4 divisors (see below), whose sum is σ = 1121936954880. Its totient is φ = 1120345552128.

The previous prime is 1121141253451. The next prime is 1121141253511. The reversal of 1121141253503 is 3053521411211.

It is a happy number.

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 1121141253503 - 2⁶ = 1121141253439 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 (1121141253403) 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, 397848575 + ... + 397851392.

It is an arithmetic number, because the mean of its divisors is an integer number (280484238720).

Almost surely, 2^{1121141253503} is an apocalyptic number.

1121141253503 is a deficient number, since it is larger than the sum of its proper divisors (795701377).

1121141253503 is an equidigital number, since it uses as much as digits as its factorization.

1121141253503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795701376.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 1121141253503 its reverse (3053521411211), we get a palindrome (4174662664714).

The spelling of 1121141253503 in words is "one trillion, one hundred twenty-one billion, one hundred forty-one million, two hundred fifty-three thousand, five hundred three".