11142312113 has 4 divisors (see below), whose sum is σ = 11501741568. Its totient is φ = 10782882660.

The previous prime is 11142312089. The next prime is 11142312121. The reversal of 11142312113 is 31121324111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11142312113 - 2¹⁴ = 11142295729 is a prime.

It is a super-2 number, since 2×11142312113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142312133) 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, 179714681 + ... + 179714742.

It is an arithmetic number, because the mean of its divisors is an integer number (2875435392).

Almost surely, 2^11142312113 is an apocalyptic number.

It is an amenable number.

11142312113 is a deficient number, since it is larger than the sum of its proper divisors (359429455).

11142312113 is an equidigital number, since it uses as much as digits as its factorization.

11142312113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359429454.

The product of its digits is 144, while the sum is 20.

Adding to 11142312113 its reverse (31121324111), we get a palindrome (42263636224).

The spelling of 11142312113 in words is "eleven billion, one hundred forty-two million, three hundred twelve thousand, one hundred thirteen".