11445511415113 has 4 divisors (see below), whose sum is σ = 11448128732868. Its totient is φ = 11442894097360.

The previous prime is 11445511415087. The next prime is 11445511415147. The reversal of 11445511415113 is 31151411554411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3389292046009 + 8056219369104 = 1841003^2 + 2838348^2 .

It is a cyclic number.

It is not a de Polignac number, because 11445511415113 - 2³³ = 11436921480521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11445511415813) 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, 1308652318 + ... + 1308661063.

It is an arithmetic number, because the mean of its divisors is an integer number (2862032183217).

Almost surely, 2^{11445511415113} is an apocalyptic number.

It is an amenable number.

11445511415113 is a deficient number, since it is larger than the sum of its proper divisors (2617317755).

11445511415113 is an equidigital number, since it uses as much as digits as its factorization.

11445511415113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617317754.

The product of its digits is 24000, while the sum is 37.

Adding to 11445511415113 its reverse (31151411554411), we get a palindrome (42596922969524).

The spelling of 11445511415113 in words is "eleven trillion, four hundred forty-five billion, five hundred eleven million, four hundred fifteen thousand, one hundred thirteen".