11403100243 has 8 divisors (see below), whose sum is σ = 11455511760. Its totient is φ = 11350788480.

The previous prime is 11403100231. The next prime is 11403100271. The reversal of 11403100243 is 34200130411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403100243 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 11403100243.

It is not an unprimeable number, because it can be changed into a prime (11403100843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209223 + ... + 258031.

It is an arithmetic number, because the mean of its divisors is an integer number (1431938970).

Almost surely, 2^11403100243 is an apocalyptic number.

11403100243 is a deficient number, since it is larger than the sum of its proper divisors (52411517).

11403100243 is an equidigital number, since it uses as much as digits as its factorization.

11403100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49877.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11403100243 its reverse (34200130411), we get a palindrome (45603230654).

The spelling of 11403100243 in words is "eleven billion, four hundred three million, one hundred thousand, two hundred forty-three".