11512031100013 has 16 divisors (see below), whose sum is σ = 11555881920000. Its totient is φ = 11468270868912.

The previous prime is 11512031100001. The next prime is 11512031100103. The reversal of 11512031100013 is 31000113021511.

11512031100013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11512031100013 - 2²¹ = 11512029002861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512031100413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922835006 + ... + 1922840992.

It is an arithmetic number, because the mean of its divisors is an integer number (722242620000).

Almost surely, 2^{11512031100013} is an apocalyptic number.

It is an amenable number.

11512031100013 is a deficient number, since it is larger than the sum of its proper divisors (43850819987).

11512031100013 is an equidigital number, since it uses as much as digits as its factorization.

11512031100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12384.

The product of its (nonzero) digits is 90, while the sum is 19.

Adding to 11512031100013 its reverse (31000113021511), we get a palindrome (42512144121524).

The spelling of 11512031100013 in words is "eleven trillion, five hundred twelve billion, thirty-one million, one hundred thousand, thirteen".