11121204313245 has 128 divisors (see below), whose sum is σ = 20968742108160. Its totient is φ = 4987151769600.

The previous prime is 11121204313231. The next prime is 11121204313253. The reversal of 11121204313245 is 54231340212111.

It is not a de Polignac number, because 11121204313245 - 2¹⁵ = 11121204280477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8909095 + ... + 10080395.

It is an arithmetic number, because the mean of its divisors is an integer number (163818297720).

Almost surely, 2^{11121204313245} is an apocalyptic number.

11121204313245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11121204313245 is a deficient number, since it is larger than the sum of its proper divisors (9847537794915).

11121204313245 is a wasteful number, since it uses less digits than its factorization.

11121204313245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171447.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 11121204313245 its reverse (54231340212111), we get a palindrome (65352544525356).

The spelling of 11121204313245 in words is "eleven trillion, one hundred twenty-one billion, two hundred four million, three hundred thirteen thousand, two hundred forty-five".