11532711785 has 24 divisors (see below), whose sum is σ = 16103658240. Its totient is φ = 7905721824.

The previous prime is 11532711739. The next prime is 11532711803. The reversal of 11532711785 is 58711723511.

It is not a de Polignac number, because 11532711785 - 2⁸ = 11532711529 is a prime.

It is a super-2 number, since 2×11532711785² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1217096 + ... + 1226534.

It is an arithmetic number, because the mean of its divisors is an integer number (670985760).

Almost surely, 2^11532711785 is an apocalyptic number.

It is an amenable number.

11532711785 is a deficient number, since it is larger than the sum of its proper divisors (4570946455).

11532711785 is an equidigital number, since it uses as much as digits as its factorization.

11532711785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445 (or 14438 counting only the distinct ones).

The product of its digits is 58800, while the sum is 41.

The spelling of 11532711785 in words is "eleven billion, five hundred thirty-two million, seven hundred eleven thousand, seven hundred eighty-five".