1125101133213 has 4 divisors (see below), whose sum is σ = 1500134844288. Its totient is φ = 750067422140.

The previous prime is 1125101133203. The next prime is 1125101133241. The reversal of 1125101133213 is 3123311015211.

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 a de Polignac number, because none of the positive numbers 2^k-1125101133213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125101133203) 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, 187516855533 + ... + 187516855538.

It is an arithmetic number, because the mean of its divisors is an integer number (375033711072).

Almost surely, 2^{1125101133213} is an apocalyptic number.

It is an amenable number.

1125101133213 is a deficient number, since it is larger than the sum of its proper divisors (375033711075).

1125101133213 is an equidigital number, since it uses as much as digits as its factorization.

1125101133213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375033711074.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 1125101133213 its reverse (3123311015211), we get a palindrome (4248412148424).

The spelling of 1125101133213 in words is "one trillion, one hundred twenty-five billion, one hundred one million, one hundred thirty-three thousand, two hundred thirteen".