11013312139 has 4 divisors (see below), whose sum is σ = 11013629056. Its totient is φ = 11012995224.

The previous prime is 11013312137. The next prime is 11013312143. The reversal of 11013312139 is 93121331011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93121331011 = 39103 ⋅2381437.

It is a cyclic number.

It is not a de Polignac number, because 11013312139 - 2¹ = 11013312137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013312137) 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, 98859 + ... + 178324.

It is an arithmetic number, because the mean of its divisors is an integer number (2753407264).

Almost surely, 2^11013312139 is an apocalyptic number.

11013312139 is a deficient number, since it is larger than the sum of its proper divisors (316917).

11013312139 is an equidigital number, since it uses as much as digits as its factorization.

11013312139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316916.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 11013312139 in words is "eleven billion, thirteen million, three hundred twelve thousand, one hundred thirty-nine".