11754740243 has 4 divisors (see below), whose sum is σ = 11757454920. Its totient is φ = 11752025568.

The previous prime is 11754740209. The next prime is 11754740251. The reversal of 11754740243 is 34204745711.

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 11754740243 - 2¹⁴ = 11754723859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11754740197 and 11754740206.

It is not an unprimeable number, because it can be changed into a prime (11754740743) 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, 1350833 + ... + 1359506.

It is an arithmetic number, because the mean of its divisors is an integer number (2939363730).

Almost surely, 2^11754740243 is an apocalyptic number.

11754740243 is a deficient number, since it is larger than the sum of its proper divisors (2714677).

11754740243 is an equidigital number, since it uses as much as digits as its factorization.

11754740243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714676.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 11754740243 in words is "eleven billion, seven hundred fifty-four million, seven hundred forty thousand, two hundred forty-three".