11940103729 has 4 divisors (see below), whose sum is σ = 11949157440. Its totient is φ = 11931050020.

The previous prime is 11940103691. The next prime is 11940103783. The reversal of 11940103729 is 92730104911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92730104911 = 97 ⋅955980463.

It is a cyclic number.

It is not a de Polignac number, because 11940103729 - 2¹⁷ = 11939972657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11940103789) 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, 4524877 + ... + 4527514.

It is an arithmetic number, because the mean of its divisors is an integer number (2987289360).

Almost surely, 2^11940103729 is an apocalyptic number.

It is an amenable number.

11940103729 is a deficient number, since it is larger than the sum of its proper divisors (9053711).

11940103729 is an equidigital number, since it uses as much as digits as its factorization.

11940103729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053710.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 11940103729 in words is "eleven billion, nine hundred forty million, one hundred three thousand, seven hundred twenty-nine".