1135685523 has 8 divisors (see below), whose sum is σ = 1730568448. Its totient is φ = 648963144.

The previous prime is 1135685503. The next prime is 1135685531. The reversal of 1135685523 is 3255865311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1135685523 - 2⁵ = 1135685491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1135685503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27040111 + ... + 27040152.

It is an arithmetic number, because the mean of its divisors is an integer number (216321056).

Almost surely, 2^1135685523 is an apocalyptic number.

1135685523 is a deficient number, since it is larger than the sum of its proper divisors (594882925).

1135685523 is an equidigital number, since it uses as much as digits as its factorization.

1135685523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54080273.

The product of its digits is 108000, while the sum is 39.

The square root of 1135685523 is about 33699.9335756022. The cubic root of 1135685523 is about 1043.3243975617.

The spelling of 1135685523 in words is "one billion, one hundred thirty-five million, six hundred eighty-five thousand, five hundred twenty-three".