11123131213113 has 16 divisors (see below), whose sum is σ = 15083068962816. Its totient is φ = 7289909112080.

The previous prime is 11123131213081. The next prime is 11123131213163. The reversal of 11123131213113 is 31131213132111.

11123131213113 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 11123131213113 - 2⁵ = 11123131213081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123131213163) 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, 75172881 + ... + 75320702.

It is an arithmetic number, because the mean of its divisors is an integer number (942691810176).

Almost surely, 2^{11123131213113} is an apocalyptic number.

It is an amenable number.

11123131213113 is a deficient number, since it is larger than the sum of its proper divisors (3959937749703).

11123131213113 is a wasteful number, since it uses less digits than its factorization.

11123131213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150494004.

The product of its digits is 324, while the sum is 24.

Adding to 11123131213113 its reverse (31131213132111), we get a palindrome (42254344345224).

The spelling of 11123131213113 in words is "eleven trillion, one hundred twenty-three billion, one hundred thirty-one million, two hundred thirteen thousand, one hundred thirteen".