1125134553353 has 4 divisors (see below), whose sum is σ = 1127012908800. Its totient is φ = 1123256197908.

The previous prime is 1125134553331. The next prime is 1125134553377. The reversal of 1125134553353 is 3533554315211.

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 1125134553353 - 2²⁶ = 1125067444489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125134553353.

It is not an unprimeable number, because it can be changed into a prime (1125134553383) 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, 939176825 + ... + 939178022.

It is an arithmetic number, because the mean of its divisors is an integer number (281753227200).

Almost surely, 2^{1125134553353} is an apocalyptic number.

It is an amenable number.

1125134553353 is a deficient number, since it is larger than the sum of its proper divisors (1878355447).

1125134553353 is an equidigital number, since it uses as much as digits as its factorization.

1125134553353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878355446.

The product of its digits is 405000, while the sum is 41.

Adding to 1125134553353 its reverse (3533554315211), we get a palindrome (4658688868564).

The spelling of 1125134553353 in words is "one trillion, one hundred twenty-five billion, one hundred thirty-four million, five hundred fifty-three thousand, three hundred fifty-three".