11747242202503 has 4 divisors (see below), whose sum is σ = 11755798097688. Its totient is φ = 11738686307320.

The previous prime is 11747242202491. The next prime is 11747242202557. The reversal of 11747242202503 is 30520224274711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11747242202503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11747242202903) 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, 4277945533 + ... + 4277948278.

It is an arithmetic number, because the mean of its divisors is an integer number (2938949524422).

Almost surely, 2^{11747242202503} is an apocalyptic number.

11747242202503 is a deficient number, since it is larger than the sum of its proper divisors (8555895185).

11747242202503 is an equidigital number, since it uses as much as digits as its factorization.

11747242202503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555895184.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 11747242202503 in words is "eleven trillion, seven hundred forty-seven billion, two hundred forty-two million, two hundred two thousand, five hundred three".