11530782758 has 32 divisors (see below), whose sum is σ = 18988784640. Its totient is φ = 5207960160.

The previous prime is 11530782751. The next prime is 11530782787. The reversal of 11530782758 is 85728703511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11530782751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034916 + ... + 3038712.

It is an arithmetic number, because the mean of its divisors is an integer number (593399520).

Almost surely, 2^11530782758 is an apocalyptic number.

11530782758 is a deficient number, since it is larger than the sum of its proper divisors (7458001882).

11530782758 is a wasteful number, since it uses less digits than its factorization.

11530782758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4652.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 11530782758 in words is "eleven billion, five hundred thirty million, seven hundred eighty-two thousand, seven hundred fifty-eight".