11112412013 has 4 divisors (see below), whose sum is σ = 11112678588. Its totient is φ = 11112145440.

The previous prime is 11112411943. The next prime is 11112412061. The reversal of 11112412013 is 31021421111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31021421111 = 367 ⋅84527033.

It can be written as a sum of positive squares in 2 ways, for example, as 6445199524 + 4667212489 = 80282^2 + 68317^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112412013 - 2¹⁰ = 11112410989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112411982 and 11112412000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112412513) 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, 55706 + ... + 159147.

It is an arithmetic number, because the mean of its divisors is an integer number (2778169647).

Almost surely, 2^11112412013 is an apocalyptic number.

It is an amenable number.

11112412013 is a deficient number, since it is larger than the sum of its proper divisors (266575).

11112412013 is an equidigital number, since it uses as much as digits as its factorization.

11112412013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266574.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11112412013 its reverse (31021421111), we get a palindrome (42133833124).

The spelling of 11112412013 in words is "eleven billion, one hundred twelve million, four hundred twelve thousand, thirteen".