11403936743 has 4 divisors (see below), whose sum is σ = 12004143960. Its totient is φ = 10803729528.

The previous prime is 11403936721. The next prime is 11403936767. The reversal of 11403936743 is 34763930411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11403936743 - 2¹⁶ = 11403871207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11403936743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403936793) 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, 300103580 + ... + 300103617.

It is an arithmetic number, because the mean of its divisors is an integer number (3001035990).

Almost surely, 2^11403936743 is an apocalyptic number.

11403936743 is a deficient number, since it is larger than the sum of its proper divisors (600207217).

11403936743 is an equidigital number, since it uses as much as digits as its factorization.

11403936743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600207216.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 11403936743 in words is "eleven billion, four hundred three million, nine hundred thirty-six thousand, seven hundred forty-three".