11103738013 has 4 divisors (see below), whose sum is σ = 11144711488. Its totient is φ = 11062764540.

The previous prime is 11103738001. The next prime is 11103738017. The reversal of 11103738013 is 31083730111.

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 11103738013 - 2¹³ = 11103729821 is a prime.

It is a super-2 number, since 2×11103738013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103738017) 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, 20486331 + ... + 20486872.

It is an arithmetic number, because the mean of its divisors is an integer number (2786177872).

Almost surely, 2^11103738013 is an apocalyptic number.

It is an amenable number.

11103738013 is a deficient number, since it is larger than the sum of its proper divisors (40973475).

11103738013 is an equidigital number, since it uses as much as digits as its factorization.

11103738013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40973474.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 11103738013 in words is "eleven billion, one hundred three million, seven hundred thirty-eight thousand, thirteen".