11757650543 has 4 divisors (see below), whose sum is σ = 12075424920. Its totient is φ = 11439876168.

The previous prime is 11757650533. The next prime is 11757650549. The reversal of 11757650543 is 34505675711.

It is a happy number.

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 11757650543 - 2⁸ = 11757650287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11757650494 and 11757650503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11757650549) 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, 158887133 + ... + 158887206.

It is an arithmetic number, because the mean of its divisors is an integer number (3018856230).

Almost surely, 2^11757650543 is an apocalyptic number.

11757650543 is a deficient number, since it is larger than the sum of its proper divisors (317774377).

11757650543 is an equidigital number, since it uses as much as digits as its factorization.

11757650543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317774376.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 11757650543 in words is "eleven billion, seven hundred fifty-seven million, six hundred fifty thousand, five hundred forty-three".