1131250121113 has 8 divisors (see below), whose sum is σ = 1292937251328. Its totient is φ = 969582983424.

The previous prime is 1131250121051. The next prime is 1131250121123. The reversal of 1131250121113 is 3111210521311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131250121113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131250121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4876681 + ... + 5103382.

It is an arithmetic number, because the mean of its divisors is an integer number (161617156416).

Almost surely, 2^{1131250121113} is an apocalyptic number.

It is an amenable number.

1131250121113 is a deficient number, since it is larger than the sum of its proper divisors (161687130215).

1131250121113 is an equidigital number, since it uses as much as digits as its factorization.

1131250121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996263.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 1131250121113 its reverse (3111210521311), we get a palindrome (4242460642424).

The spelling of 1131250121113 in words is "one trillion, one hundred thirty-one billion, two hundred fifty million, one hundred twenty-one thousand, one hundred thirteen".