11403550243 has 8 divisors (see below), whose sum is σ = 11513530160. Its totient is φ = 11293668000.

The previous prime is 11403550237. The next prime is 11403550247. The reversal of 11403550243 is 34205530411.

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

It is a cyclic number.

It is not a de Polignac number, because 11403550243 - 2²⁹ = 10866679331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11403550247) 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, 222121 + ... + 268597.

It is an arithmetic number, because the mean of its divisors is an integer number (1439191270).

Almost surely, 2^11403550243 is an apocalyptic number.

11403550243 is a deficient number, since it is larger than the sum of its proper divisors (109979917).

11403550243 is a wasteful number, since it uses less digits than its factorization.

11403550243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48837.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 11403550243 in words is "eleven billion, four hundred three million, five hundred fifty thousand, two hundred forty-three".